the r/r and s/s genes are linked and 10 map units apart. in the f1 testcross rs/rs x rs/rs what percentage of the progeny will be of the parental types?
Answers
45% of the progeny will be of the parental types.
In this situation, Rs are on one chromosome and rS is on the other, thus you must first examine the parental chromosomes to determine whether alleles are present together on the same chromosome. We refer to these as parental kinds. We are able to distinguish between different genotypes because our second parent is always a double recessive. It's known as a test cross.
The paternal gametes will be either Rs or rS in the absence of recombination, and when they are joined with the rs recessive, they will produce children that are either Rs/rs or rS/rs. We would anticipate 45% of each of those two genotypes in this scenario where the map distance is 10 units, our recombination frequency is 10%, and non-recombinants are 90%.
The two new recombinant gametes, RS and rs, that result from recombination will be coupled with our recessive alleles to form the genotypes RS/rs and rs/rs. Together, these two groups should make up 10%, with 5% of each genotype anticipated.
Since it is specifically mentioned Rs/rs, a parental type, in the question, 45% of occurrences are anticipated.
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Related Questions
According to the law of conservation of matter, we know that the total number of atoms does not change in a chemical reaction and
thus mass is conserved. The reactant in this model is hydrogen peroxide Hydrogen peroxide decomposes to produce water and
oxygen gas. How many water molecules must be added to complete this model?
es)
Answers
Explanation:
H202 = H20 + O2
by balancing the this skeletal equation : he get
2H202 ( hydrogen peroxide) = 2H20( water) + O2 (oxygen)
so 1 more water molecules is needed to complete this model ..
It is winter, and you want to know where it might snow today. Look at the predicted temperature for each state. Then identify the states where it could snow today.
Washington 2'C/35'F
California 15'C/59'F
North Dakota -10'C/14'F
Michigan -2'C/28'F
Florida 17'C/63'F
A)California, North Dakota, Washington
B)Michigan, California, Florida
C)North Dakota, Michigan
D)California, Florida, Washington
Science
Answers
Answer:
C-North Dakota and Michigan
Explanation:
It has to be 32’F or less to snow.
Answer:
c
Explanation:
which is North Dakota, Michigan
What diagnostic test is useful for detecting hyperactivity of the thyroid gland during an evaluation of a thyroid disorder
Answers
Answer:
Blood tests that measure thyroxine and thyroid-stimulating hormone (TSH) can confirm the diagnosis. High levels of thyroxine and low or nonexistent amounts of TSH indicate an overactive thyroid. The amount of TSH is important because it's the hormone that signals your thyroid gland to produce more thyroxine
Explanation:
The only arteries in the body that carry oxygen-poor blood are the coronary arteries.a. Trueb. False
Answers
False, the only artery that conveys impure or deoxygenated blood is the pulmonary artery, and the pulmonary vein also contains filthy blood. Thus, coronary arteries carry oxygenated blood.
The coronary arteries, which are arterial blood vessels, provide the heart muscle with oxygenated blood. Like any other human tissue or organ, the heart needs an ongoing supply of oxygen to exist and operate. The coronary arteries encircle the whole of the heart. The left and right coronary arteries are the two principal branches. The parts of the heart that each group of arteries supplies with blood flow can also be used to distinguish between them. Epicardial and microvascular refer to these groups, which are located above the epicardium, the outermost tissue of the heart (close to the endocardium, or the innermost tissue of the heart).
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SOMONE PLS HELP ME!?
I will give brainlyest (how ever u spell it)
Answers
Answer:
Graham had more power than Marshall
Answer:
It's obviously the first option
Explanation:
because Graham lifted 50 obviously weight in 5 seconds
compare protein 2 to protein 1. does the amino acid sequence of protein 2 differ from the sequence of protein 1? if yes, which amino acid(s) differ?
Answers
A protein is made up of an amino acid that is connected by peptide bonds to form a string. The order and amount of amino acids in each form of protein vary.
A protein is made up of a sequence of amino acids that's also connected by peptide bonds to form a string. The primary distinction between an amino acid and a protein is that an amino acid is a protein's building block, but a protein serves as both a functional and structural component for the body. The R groups on the side chains of amino acids are what separate them from one another. A polypeptide core with connected side chains makes up a protein. It is the pattern of the chemically distinct side chains since each kind of protein varies in the quantity of amino acids and amino acid sequence it contains.
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identifying an autosomal recessive mutation in a mutagenic screen in drosophila requires identification of a mutant in the f3 generation. if testing for a sex-linked recessive lethal mutation (e.g., cn) using a balancer chromosome such as cncyo, in which generation can lines with mutations be identified?
Answers
To identify a sex-linked recessive lethal mutation using a balancer chromosome such as cncyo in Drosophila, lines with mutations can be identified in the F1 generation.
A balancer chromosome is a specialized chromosome used in Drosophila genetics to maintain the integrity of a specific genotype during breeding.
In the case of a sex-linked recessive lethal mutation, the balancer chromosome contains multiple inversions that prevent recombination and help maintain the recessive lethal mutation along with visible markers.
The cncyo balancer chromosome, for example, carries the cn mutation, which is recessive and lethal when homozygous.
When performing crosses with a balancer chromosome, the F1 generation will inherit one copy of the balancer chromosome along with the recessive lethal mutation.
The visible markers on the balancer chromosome, such as eye color or wing shape, can be used to identify the presence of the balancer chromosome and, by extension, the presence of the recessive lethal mutation.
If a line exhibits the phenotypic markers associated with the balancer chromosome, it indicates the presence of the recessive lethal mutation.
Therefore, lines with mutations can be identified in the F1 generation when testing for a sex-linked recessive lethal mutation using a balancer chromosome in Drosophila.
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nitrogen-fixing prokaryotes
nitrifying prokaryotes
nitrogen to ammonia
convert ammonia
to nitrites and nitrates
convert nitrates to
atmospheric nitrogen
denitrifying prokaryotes
An ecosystem experiences a loss of denitrifying prokaryotes. Will this loss affect the health of the ecosystem?
OA. No, because denitrifying prokaryotes do not produce the usable form of nitrogen needed by organisms.
OB. Yes, because an excessive level of usable nitrogen could accumulate and disrupt the ecosystem's balance.
OC. No, because atmospheric nitrogen is not necessary to most organisms in an ecosystem.
D. Yes, because plants and animals will no longer have the usable form of nitrogen that they need to grow.
egion Scor
Answers
Answer:
The correct answer is option D. Yes, because plants and animals will no longer have the usable form of nitrogen that they need to grow.
egion Scor
Explanation:
Denitrifying prokaryotes are the organisms that perform the denitrification process in which nitrate is reduce to nitrogen gas in absence of the oxygen with the help of soil microbes such as denitrifying bacteria. It is a essential process that helps in the recycling of nitrogen.
Denitrification can negatively impact global warming by increasing nitrogen gas in environment and losses of nitrous oxide and reducing soil fertility and there would be loss of productivity in agriculture.
Thus, the correct answer is option D.
"Medieval reenactors can never truly reproduce the past. Is reenactment still a worthwhile exercise? Why or why not? Answer, using specific examples to support your opinion. (2 marks)
Answers
Medieval reenactors may not be able to fully recreate the past, but reenactment is still a valuable exercise. It provides educational and experiential opportunities, fosters a sense of community, and helps preserve historical knowledge and traditions.
Although it is true that historical reenactors cannot accurately recreate the past, their efforts are nonetheless valuable. Both participants and viewers can learn something new at reenactment activities. Reenactors bring history to life in a concrete sense by carefully researching and reenacting historical attire, weapons, and activities.
People can learn more about the past and the lifestyles of medieval people thanks to this practical technique. A reenactment of a medieval combat, for instance, offers a visceral appreciation of the difficulties and tactics faced by warriors during that time.
Reenactment also strengthens the bonds between enthusiasts. It brings together people who have a common interest in history and gives them a forum on which to interact, work together, and gain knowledge from one another. Reenactment clubs frequently host lectures, workshops, and demonstrations where individuals can share their knowledge and expertise. This element of community contributes to the development of a strong, welcoming, and committed neighborhood.
Reenactments also aid in the preservation of historical information and customs. Reenactors aim for authenticity and accuracy in their portrayals by doing extensive research and using historical materials. This commitment to historical truth contributes to preventing the erasure of important knowledge and cultural traditions. For instance, historical reenactment organizations from the Middle Ages might resurrect long-forgotten crafts or dances, preserving them for future generations.
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Which organism is an animal-like protist?
cilia
dinoflagellates
amoeba
truffle
Answers
_____ is the element from which iron is taken.
Answers
Answer:
The answer is- iron
Explanation:
Which of the following is not a mechanism of energy transfer through or within Earth's
atmosphere?
Answers
Answer:a
Explanation:because there is only one option
If 20% of a population is eaten each generation how long will it take for them to go extinct?'
Answers
Answer:
Wild mammals have declined by 85% since the rise of humans. A diverse range of mammals once roamed the planet. This changed quickly and dramatically with the rising number of humans over the course of the last 100,000 years. Over this period, wild terrestrial mammal biomass has declined by an estimated 85%.
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Explanation:
Please help thankssss❤️
Answers
Answer:
Help with what exactly
Explanation:
Answer:
idj
Explanation:
30 points!! imagine you are investigating how camouflage helps an animal to survive. Write out the following components of the experiment.
a) Purpose:
b) Hypothesis:
c) Prediction
d) Describe the basic procedure you would use:
e) How will you collect your data?f) What results would you expect to see from this experiment?
Answers
The number of uncamouflaged animals will be far less than that of the camouflaged animals at the end of the experiment.
What is an experiment?An experiment is a detailed study that tends to identify cause and effect relationship.
The hypothesis in this experiment is that camouflage helps animals to survive in their habitat. The predication is that animals that are camouflaged are able to escape predation owing to the camouflage.
The best test procedure is to observe animals that are camouflaged and those that are not camouflaged in the wild for a period of about three months. Observe whether the number of uncamouflaged animals decreased more than that of the camouflaged animals after three months.
At the end of the experiment, it is expected that the number of uncamouflaged animals will decrease far more than the number of camouflaged animals.
The data will be collected using an unmaned drone over the area of study.
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HELP PLS: NEED ANSWER ASAPPPPPPPPPPPP <3
1. Explain acid deposition. Your explanation should include the following:
• The sources of acid deposition
• The chemical equations involved in acid deposition formation
• An explanation of the types of acid deposition
• A discussion of the effects of acid deposition
• A drawing that shows the sources, formation, and precipitation of acid deposition
Answers
Acid deposition is the deposition of acidic compounds from the atmosphere to the Earth's surface. It is caused by natural sources like volcanoes and human activities such as burning fossil fuels. Chemical equations include \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\) and NOx + \(O_2\) + \(H_2O\) → \(HNO_3\). Acid deposition can be wet or dry, harming ecosystems and causing damage to structures. The effects of acid deposition are far-reaching. It can lead to the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect the growth and survival of plants and animals. Acid deposition can also damage buildings, statues, and monuments made of limestone or marble, as these materials are particularly susceptible to erosion by acids.
Acid deposition refers to the deposition of acidic compounds from the atmosphere onto the Earth's surface.
Sources of acid deposition include natural sources like volcanic emissions and the oxidation of sulfur and nitrogen compounds, as well as human activities like burning fossil fuels.
The chemical equations involved in acid deposition formation are:
a. Formation of sulfuric acid: \(SO_2\) + \(O_2\) + \(H_2O\) → \(H_2SO_4\)
b. Formation of nitric acid: NOx + \(O_2\) + \(H_2O\) → \(HNO_3\)
Acid deposition can be classified into two types: wet deposition and dry deposition.
a. Wet deposition occurs when acidic pollutants dissolve in precipitation and are deposited onto the Earth's surface.
b. Dry deposition happens when acidic particles and gases settle directly onto the ground or other surfaces without being dissolved in precipitation.
The effects of acid deposition include the acidification of lakes, rivers, and soils, which can harm aquatic ecosystems and affect plant and animal life. It can also cause damage to buildings, statues, and monuments made of limestone or marble.
A visual representation of the sources, formation, and precipitation of acid deposition can be illustrated through a diagram or drawing. This can show the emission sources, chemical reactions, and the deposition of acidic compounds onto the Earth's surface.
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Help please
Dkskskekdndkxien
Answers
Answer:
Yes,cloning should be acceptable because different types of extinct animals and plants can rejuvenated and also organisms with superior survival skills can be reproduced easily.
What organelles are present in both plant and animal cells?
Answers
Answer:
Explanation:
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.
Answer:
because they both contain eukrayotic cells.
HELP HELP-
DON’T ADD LINKS
Answers
Answer:
3 when the moon lines up with the sun is a eclipse
Explanation:
Describe the relationship between photosynthesis and cell respiration.
Answers
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
Many tree frog populations are threatened due to habitat loss. In an effort to promote conservation, tree frogs may be bred in captivity. A zoo acquired male and female tree frogs from two different populations. In the zoo, the tree frogs were able to successfully mate within their own population, but breeding attempts between the two populations were unsuccessful.
Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?
A.They are in the same species but different kingdoms.
B.They are in the same genus but different species.
C.They are in the same family but different orders.
D.They are in the same class but different phyla.
Answers
Wheat, barely ,oats and rice are examples of what type of crop ?
Answers
Answer:
Cereal crops
Explanation:
Answer:
Cereal crops
Explanation:
hope it helps :)
which really big school assignment did greg forget about? (ar test that i don’t remember) 10pts pls help
Answers
Answer:
I believe that he forgot about that really big cultural, around the world thing, where all of the kids dressed like they were from their countries and they brought food from that country as well.
If you were to look at a mass of cells under the microscope in which part of the cell cycle would you expect to find most of the cells?
a. interphase
b. anaphase
c. prophase
d. telophase
Answers
Answer:
A?
I think I'm wrong! please tell me what one it is if I'm wrong.
Answer:
A. Interphase
Explanation:
Because interphase is the phase of the cell cycle wherein most cells spend most of their lives.
A molecule of water is comprised of:
A. One atom of negatively charged hydrogen and one atom of positively charged oxygen.
B. One atom of negatively charged oxygen and one atom of positively charged hydrogen.
C. Two atoms of positively charged hydrogen and one atom of negatively charged oxygen.
D. Two atoms of negatively charged hydrogen and one atom of positively charged oxygen.
Answers
But actually water has both covalent and ionic characteristics. It is 33% ionic and 67% covalent, so it’s not right to say that it’s made up of two positive H and an oxygen atom with negative charge.
With regards to four options given third is most relevant one.
What happens during prophase?
a. sister chromatids separate.
b. the mitotic spindle begins to form.
c. chromosomes line up on the midline of the cell.
d. the nuclear envelope forms.
Answers
During prophase the mitotic spindle begins to form.
During prophase, the mitotic spindle starts to self-assemble in the cytoplasm. In contrast, all doubled homologous chromosomal pairs align along the cell's midline, between the two centrioles, during metaphase I. In anaphase, I, spindle fibers connected to the centrioles pull the homologous chromosome pairs apart and to the opposite poles of the cell.
In addition, the microtubules created by the duplicated centrosomes of animal cells are what combine to form the mitotic spindle. Also, chromatin, a combination of DNA and proteins found in the nucleus, condenses during prophase.
The development of discernible chromosomes is caused by the coiling and tightening of the chromatin. One well-organized piece of DNA makes up each chromosome.
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Why is the water cycle important for ecosystems?(1 point) The water cycle helps recycle and transport carbon around the planet. The cycle replenishes the carbon supply of ecosystems. The water cycle uses photosynthesis to make clouds. These clouds make surface water that animals drink to survive in their ecosystem. The water cycle permanently removes water from underground and large bodies of water and transports it to terrestrial ecosystems that need water. The water cycle helps recycle and transport water around the planet. The cycle replenishes the water supply of ecosystems
Answers
Answer: The water cycle helps recycle and transport water around the planet. The cycle replenishes the water supply of ecosystems
Explanation:
The water cycle simply refers to how water continuously move within the Earth. It is also called the hydrological circle. Water cycle depicts many processes such as how water evaorates into vapor, how clouds are formed through condensation and then sent back to the Earth as either rain or snow.
Based on the options given, the water cycle helps recycle and transport water around the planet. The cycle replenishes the water supply of ecosystems.
Answer:
The water cycle helps recycle and transport water around the planet. The cycle replenishes the water supply of ecosystems
Explanation:
trust me i did the test
explain how RNA is amplified using the rolling circle
amplification (RCA) method.
Answers
RNA can be amplified using the Rolling Circle Amplification (RCA) method. In this process, an enzyme called a DNA polymerase synthesizes a DNA copy of the original RNA template. This new DNA strand is then circularized, resulting in a large number of DNA molecules. Finally, the DNA molecules are converted back into RNA molecules, resulting in the amplification of the original RNA template.
How RCA Method Can Amplify RNA?RNA can be amplified using the rolling circle amplification (RCA) method in the following way:
A circular RNA template is created by ligating the ends of a linear RNA molecule together.A primer complementary to a sequence within the circular RNA template is added.A DNA polymerase enzyme is then added, which begins to synthesize DNA using the circular RNA template as a guide.As the DNA polymerase moves around the circular RNA template, it creates a long, single-stranded DNA molecule containing multiple copies of the RNA sequence.This single-stranded DNA molecule can then be used as a template for further amplification using PCR or other methods.Learn more about the differences between DNA and RNA at https://brainly.com/question/4701650
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scientists look at thousands of mutagenized flies, one at a time, under a microscope. they are looking for flies that don't look like they have developed normally. they find a remarkable fly with an extra thorax and a complete extra set of wings. this is an example of:
Answers
That's an example of forward genetic screen. Forward genetics is used to analyze the genetic basis of a disease.
Forward genetics refers to a molecular genetics that is use to determine the genetic basis responsible for a phenotype. Forward genetics gives an unbiased approach because it relies heavily on identifying the genes or genetic factors that make a single phenotype or trait of interest. Forward genetics analyzes the genetic basis of a disease. Forward genetics offers a method to obtain objective information regarding a mutation's connection to a disease. Forward genetics is used to requires no prior knowledge about the gene being studied.
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What are the greatest sources of greenhouse gas emissions in the US.? What are some of the strategies for reducing greenhouse gas emissions? What is the difference between market-based consumer-focused vs. national-focused (cap and trade, fee and dividend)? What is outsourcing carbon? What types of strategies for addressing climate change do you think would be effective, equitable, and address both climate justice?
Answers
The greatest sources of greenhouse gas emissions in the US include energy production from fossil fuels, transportation, and industrial activities.
To reduce these emissions, strategies such as transitioning to renewable energy sources, improving energy efficiency, promoting low-carbon transportation, and implementing carbon pricing mechanisms can be effective.
Market-based approaches like cap and trade and carbon fee and dividend provide economic incentives for emission reductions. However, these strategies should also prioritize climate justice and equity by considering the impacts on marginalized communities. International cooperation is vital for addressing global climate change and ensuring effective and equitable solutions. By combining these strategies, we can work towards a sustainable and equitable future while mitigating the impacts of climate change.
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