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Related Questions
Propose two different genetic crosses that would allow you to determine the genotype of one mottled frog from the F2 generation.
Drag the terms on the left to the appropriate blanks on the right to complete the semtences. Terms can be used once, more than once, or not at all.
One cross would be a test crossand the other would be a backcrosd. The test would be the _____ F2 to a true-breeding _____ indiviual. If the _______ F2 is ______, then the test cross will produce ___ mottled ___ and leopard progeny. The backcross would be the _______ F2 to one of its parents. If both are ________, then the backcross will yield ___ mottled and __ leopard.
Answers
One cross would be a test cross and the other would be a backcross. The test cross would be the F2 individual to a true-breeding homozygous recessive individual. If the F2 individual is heterozygous, then the test cross will produce both mottled and leopard progeny in a 1:1 ratio.
The backcross would be the F2 individual to one of its parents. If both are heterozygous, then the backcross will yield both mottled and leopard progeny in a 3:1 ratio, with the dominant phenotype being more frequent. By analyzing the phenotype ratios of the progeny, the genotype of the original F2 individual can be determined.
The F2 mottled frog would be crossed with a true-breeding homozygous recessive individual. If the mottled frog is heterozygous (Mm), the test cross will produce a 1:1 ratio of mottled and leopard offspring.
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In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. Allele D produces tall plants and is dominant to d for short plants, and allele R produces round fruit and is dominant to r for oval fruit. The expected percentages of progeny phenotypes are listed below:
tall oval = 41%
short round = 41%
tall round = 9%
short oval = 9%
(a) What proportion are expected to be tall and produce round fruit?
Answers
In a diploid plant species, the proportion of progeny expected to be tall and produce round fruit is 32%.
In a diploid species of plant, the genes for plant height and fruit shape are syntenic and separated by 18 m.u. The expected percentages of progeny phenotypes are tall oval = 41%, short round = 41%, tall round = 9%, and short oval = 9%.To determine the proportion of progeny expected to be tall and produce round fruit, we need to consider the alleles for each trait. Allele D produces tall plants (dominant) and allele d produces short plants (recessive). Allele R produces round fruit (dominant) and allele r produces oval fruit (recessive).From the given percentages, we can deduce that tall ovals and short ovals combined make up 9%. Since tall oval is 41% and short oval is 9%, the proportion of progeny expected to be tall and produce round fruit is 41% - 9% = 32%.Therefore, the proportion of progeny expected to be tall and produce round fruit is 32%.For more questions on diploid plant
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What would best describe the structure of the plasma membrane?
1.rigid (not flexible)
2.gaseous
3.solid
4.fluid (flexible)
Answers
Answer:
4. Fluid (Flexible)
Explanation:
Plasma membranes must be very flexible in order to allow certain cells, such as red blood cells and white blood cells, to change shape as they pass through narrow capillaries. The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
How will ancestral and derived traits differ from one another?
Answers
Derived traits (also known as modified traits) are characteristics that have evolved in a particular group of organisms and are not present in their ancestors. These traits are usually more complex in structure and function, and are specific to the group of organisms that possess them.
The main difference between ancestral and derived traits is that ancestral traits are inherited from a common ancestor, while derived traits have evolved in a particular group of organisms. Ancestral traits are found in many different groups of organisms, while derived traits are unique to particular groups of organisms.
Multiple Choice Question
An increase in apparent size of an object in relation to the actual object is known as what?
Answers
Answer:
pretty sure that's magnification.
Please answer!!
Read the paragraph from the section "Types Of
Isolation."There are biological properties of organisms
that prevent breeding across different species. They are
known as reproductive isolating mechanisms (RIMs). A
mechanism is a process or method. Which option is the
BEST definition of "properties" as it is used in the
paragraph above?
Answers
The correct answer is B. Traits or features that take effect.
Explanation
Property is a word to designate any quality that identifies identifying something or someone, distinguishing it from its peers. It can refer to different issues such as its characteristics, capabilities, possibilities, physical appearance, among others. According to the text, "There are biological properties of organisms that prevent breeding across different species". So the answer is B. Traits or features that take effect.
Where do the reactions for photosynthesis happen in a cell? Why is it important?
Answers
The reactions for photosynthesis happen in the chloroplast of the cell, an organelle that is unique to plant cells.
What is Photosynthesis?Photosynthesis may be defined as the process through which green plants and some algae synthesize their own food (glucose) with the help of carbon dioxide and water in the presence of sunlight.
The light reaction of the photosynthesis occurs in the thylakoid region of the chloroplast, while the dar reaction occurs in the stroma of the chloroplast.
This is important because the needs for both reactions are delivered by different regions. For example, the enzymes of the stroma do not require light but require ATP and NADPH which are already prepared by the light reaction in the thylakoid membrane.
The light reaction uses light energy that produces ATP and NADPH.
Therefore, it is well described above.
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True or false when a haploid sperm and a haploid egg join the result is a diploid cell  
Answers
Answer: true
Explanation:
Once fertilized, the egg is called a zygote. Fertilization is not complete, however, until the two haploid nuclei (called pronuclei) have come together and combined their chromosomes into a single diploid nucleus.
Three circuit diagrams are shown. Which statement about the circuit
diagrams is accurate?
Circuit A Circuit B Circuit C
A. Circuits A, B, and C are all series circuits.
OB. Circuits A and C are series circuits, and circuit B is a parallel
circuit.
C. Circuits A and B are series circuits, and circuit C is a parallel
circuit.
OD. Circuit A is a series circuit, and circuits B and C are parallel
circuits.
Answers
From the diagram, circuit a and b are series circuit while c is parallel. Option C
What is a parallel and series circuit?
The components in a parallel circuit are linked together so that the electric current can go along several different routes. The power source is directly connected to each component, forming parallel branches. While the current in a parallel circuit can vary, the voltage between each component is constant.
The components of a series circuit are connected one after the other to create a single path for the passage of electricity. While the voltage across each component can change, the current flowing through each component is constant.
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what does it mean if my bowl movements are neon green and shiny? I have a normal diet so I'm not sure please help!
Answers
Answer:
Green stool often occurs with diarrhea, so drink plenty of fluids and seek immediate medical attention if you or your child becomes dehydrated. So this means that you have diarrhea. Call a doctor, if you have green poop more than a few days.
Explanation: Hope this help and hope you fell better!
breathing in physical phenomenon. what movement does happen when a person breathe in?
Answers
When a person breathes in, the diaphragm contracts and the lungs expand, creating a vacuum that draws air into the lungs. The air is then circulated through the lungs, where oxygen is absorbed and carbon dioxide is released.
What should know about the body parts that functions when you breath-in?The diaphragm is a vital muscle in inhaling (breath-in) and exhaling, separates the chest cavity from the abdominal cavity.
When the diaphragm contracts, it flattens and moves down. This increases the space in the chest cavity, which causes the lungs to expand. The lungs are elastic, so they expand when the space around them increases.
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Leona drew a diagram to compare ginkgoes and conifers.
Which characteristic belongs in the area marked X?
are deciduous
produce cones
look like palm trees
are the largest group
Answers
Answer:
A. are deciduous
Explanation:
Ginkgo trees are broadleaf trees or deciduous trees.
Answer: The answer is A .Are deciduous
Explanation:) Hope this helps brainliest would be appreciated
:);):);)
NEED ANSWERED ASAP
A three letter base sequence on a mRNA molecule called a _____ translates for a particular amino acid.
Answers
Answer:
codon
Explanation:
Some engineers are creating models of several unicellular organisms. Which of these would all of the models have in common?
Answers
They would all have one cell with smaller parts that do different jobs within the cell.
List the hormones released by the anterior pituitary gland. Identify which type of cell observed in this exercise releases each of the hormones.
Answers
The anterior pituitary gland, also known as the adenohypophysis, releases several hormones that regulate various functions in the body.
Here are the hormones released by the anterior pituitary gland and the cells responsible for their secretion:
Adrenocorticotropic hormone (ACTH): ACTH is released by corticotrophs, which are a type of cell found in the anterior pituitary gland. ACTH stimulates the production and release of cortisol from the adrenal glands.Thyroid-stimulating hormone (TSH): TSH is secreted by thyrotrophin. It stimulates the thyroid gland to produce and release thyroid hormones, including thyroxine (T4) and triiodothyronine (T3).Follicle-stimulating hormone (FSH): FSH is released by gonadotrophs. In females, FSH plays a role in the development and maturation of ovarian follicles. In males, it stimulates the production of sperm in the testes.Luteinizing hormone (LH): LH is also secreted by gonadotrophs. In females, LH triggers ovulation and stimulates the production of progesterone by the corpus luteum. In males, it stimulates the production of testosterone by the testes.Prolactin: Prolactin is released by lactotrophs. It plays a crucial role in the regulation of milk production and breastfeeding in females.Growth hormone (GH): GH is secreted by somatotrophs. It promotes growth and development in children and adolescents and regulates metabolism and tissue repair in adults.know more about pituitary gland here:
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Brainly! For the first one to answer! Answer in one paragraph.
Do you solar cells, wind farms, tidal power, hydropower and thermal energy will solve our future energy needs?
Answers
Yes, according to my point of view I strongly believes that solar cells, wind farms, tidal power, hydropower and thermal energy will solve future energy needs.
Which source of energy is common now a days?The most common energy now a days is coal and by burning fossils fuels, we are risking climate change as well as limiting our resources. Supplies won’t last forever especially at the rate we are going. By using sun, wind, and water as sources of energy, we have renewable energy which would not run out anytime as soon as we required. Those energy charges are low cost and solves pollution issues too.
Heat energy has been transferred from one place to another by three main processes and in convection, heat energy has been carried by the movement of particles of matter. In conduction, heat is transferred by particles vibrating. In radiation, heat is carried directly by electromagnetic waves.
Therefore, Yes, according to my point of view I strongly believes that solar cells, wind farms, tidal power, hydropower and thermal energy will solve future energy needs.
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A parental chain of DNA provides the following template: AAT CGA CGT. Which of the following sequences of free
nucleotides would pair with the parental template?
O AAT CGA CGT
OGGC TAG TAC
OUUA GCU GCA
OTTA GCT GCA
.
Answers
The correct answer is D.) OTTA GCT GCA
Translate the DNA, mRNA, amino acid shown in picture (DNA sample)
DNA:
mRNA:
amino acid:
TACGCCTTTACT TACTCGTCAATT TACCCGACGACCACT TACTACTAGATC TACCACCACACT TACTCATCGATC TACTGGTAAGTAACT TACTTTCAGGGTACT
Answers
DNA: DNA stands for Deoxyribonucleic Acid, which is a molecule that contains the genetic instructions for the development, functioning, and reproduction of all living organisms.
It is a long, double-stranded molecule made up of four types of nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
TACGCCTTTACTTACTCGTCAATTTACCCGACGACCACTTACTACTAGATCTACCACCACACTTACTCATCGATCTACTGGTAAGTAACTTACTTTCAGGGTACT
mRNA:mRNA stands for Messenger Ribonucleic Acid, which is a type of RNA molecule that carries the genetic information from DNA to the ribosomes, where it serves as a template for protein synthesis.
mRNA is synthesized through a process called transcription.
AUGCGGAAAUGAAUGAGCAGUAAAUUGGGCUGUGCUGGUGAAUGAUGGUGGUGUGAUGAGUAGUAGGUGGUAGAUGAUGACCAUUCACCCAUUGAGUCA
Amino acid:Amino acids are the building blocks of proteins. They are organic compounds made up of an amino group (-NH2), a carboxyl group (-COOH), and a side chain that is specific to each amino acid. There are 20 different amino acids that are commonly found in proteins, each with a different side chain that gives it unique properties.
Met-Arg-Lys-Asp-Arg-Gln-Stop-Leu-Gly-Leu-Cys-Trp-Val-Asn-Asp-Val-Val-Val-Asp-Ser-Val-Gly-Asp-Met-Leu-Pro-Leu-Glu-Ser
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Which of the following is not true about G-protein?
A. It is made of amino acids
B. It binds to GTP molecule when activated
C. One molecule activate hundreds of adenylyl cyclase molecules
D. It can act as an enzyme
E. It is activated by G-protein coupled receptor
Answers
Answer:
D. It can act as an enzyme
a scientist decided to test her hypothesis that male fiddler crabs come out morr often at dush rather than dawn. what would be the independs varible
Answers
The experiment's independent variable would be the proportion of females.
Male fiddler crabs are more busy at night than in the morning because they are looking for females to interact with.
What makes male Fiddler crabs want to attract females?Males wave their extended claw in the direction of women to entice them to have physical contact. When a female is ready for physical contact, she will emerge from her burrow and stroll among the waving men (her ovaries are ripe). Before choosing one as her partner, she visits other males (up to 24).
During a visit, the female approaches the male immediately, follows him into his burrow, stays there for a short while, and then emerges to carry on with her exploration.
The male emerges and gathers sand to block the burrow entrance five minutes after the female accepts him as her spouse. The woman then disappears into thin air.
He plugs it from the inside, burying the woman and himself in the process. She swings a bat at eggs.
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The impact of cloning may currently be seen in which industry?
A Grief therapy
BAgriculture
COrgan transplants
Answers
Answer: These include
1) an increase in birth size
2) variety of defects in vital organs
3) such as the liver, brain, and heart.
Explanation:
Different cell types and tissues express different sets of genes; for example, some genes are expressed primarily in the heart, others primarily in the brain, and still others primarily in the liver. This is possible because all of these cell types have ____________.
a. different sequence variants that control gene expression
b. different ordering of genes on chromosomes
c. different histone and DNA modifications
d. different sets of genes
Answers
Answer:
d.Different sets of genes.
Explanation:
A cell normally only expresses a percentage of its genes and various cell types are created by the expression of distinct gene sets. In addition, in response to changes in their environment, cells can alter the pattern of genes they express, such as signaling from neighboring cells.
Question 23 (2 points)
(06.05 MC)
A red blood cell is in the umbilical vein of a fetus. Where will it flow next, in the proper order? (2 points)
Od
Ductus venosus; right atrium; vena cava
Ductus venosus; vena cava; right atrium
Ductus arteriosus; right ventricle; aorta
Ductus arteriosus; aorta; right ventricle
Answers
A red blood cell in the umbilical vein of a fetus will flow next in the proper order as follows: Ductus venosus; vena cava; right atrium.The ductus venosus is a blood vessel that connects the umbilical vein to the inferior vena cava.
It allows oxygenated blood from the placenta to bypass the liver and enter the systemic circulation of the fetus. The red blood cell will pass through the ductus venosus, which acts as a shunt, directing the oxygenated blood towards the vena cava.
From the vena cava, the blood will enter the right atrium, which is one of the four chambers of the fetal heart. The right atrium receives deoxygenated blood from the body and the oxygenated blood from the umbilical vein.Finally, the blood will leave the right atrium and continue its circulation through the fetal heart, where it will be pumped to the lungs for oxygenation.
However, since the lungs are not fully functional in the womb, the blood is redirected through the foramen ovale and ductus arteriosus to bypass the pulmonary circulation.In summary, the correct order of flow for the red blood cell in the umbilical vein of a fetus is: Ductus venosus; vena cava; right atrium.
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What could or should Mark have handled differently? Give specific examples.
Answers
which is smallest of the terrestrial
planets
Answers
Answer:
Pluto is................
mercury
any way add my answer as brainliest
What is true regarding all 11 body systems?
Answers
Answer:
it's all in our body
Explanation:
good lessons !!!!
Answer:
What are the 11 human body systems and their functions?
The main systems of the human body are:
Circulatory system / Cardiovascular system: ...
Digestive system and Excretory system: ...
Endocrine system: ...
Integumentary system / Exocrine system: ...
Immune system and lymphatic system: ...
Muscular system: ...
Nervous system: ...
Renal system and Urinary system.
why it is advantageous for population to occupy different habitats
Answers
According to the research, the correct answer is that it helps to acquire divergent and adaptive evolutionary changes. It is advantageous for population to occupy different habitats since they live in different ecological environments which allows them to have divergent evolutionary changes and better adaptation.
What is a population?It is the set of organisms that is formed by a group of specimens of the same certain species that share a habitat.
In this sense, when these organisms of the same species occupy different habitats, it allows the development of new types of species that can survive with environmental variations and adapt to environmental conditions in a different way than the rest, generating divergent evolution.
Therefore, we can conclude that according to the research, a population is a set of individuals of the same species that when occupying different habitats adapt to a process of divergent evolution.
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Why are biopharmaceuticals in high demand?
a.
Biopharmaceuticals are easier to produce in mass quantities than pharmaceuticals derived from animals.
b.
Biopharmaceuticals do not require testing before use.
c.
Biopharmaceuticals are expensive to produce but worth the benefits.
d.
All of the above
Answers
The correct answer is (c) Biopharmaceuticals are expensive to produce but worth the benefits.
What are the biopharmaceuticals?
Biopharmaceuticals are in high demand because they offer many advantages over traditional pharmaceuticals, including greater efficacy and specificity. Biopharmaceuticals are produced using living cells, which can be genetically engineered to produce specific proteins or antibodies that target a disease. This allows for the development of highly targeted therapies that can be tailored to individual patients.
However, biopharmaceuticals are generally more expensive to produce than traditional pharmaceuticals, due to the complexity of their manufacturing process and the need for specialized equipment and facilities. Despite the higher production costs, biopharmaceuticals are still in high demand because they offer many benefits, including fewer side effects, lower risk of contamination, and better outcomes for patients with certain diseases.
In summary, the high demand for biopharmaceuticals is driven by their effectiveness and specificity in treating diseases, despite the higher production costs.
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Answer:
A.
Biopharmaceuticals are easier to produce in mass quantities than pharmaceuticals derived from animals.
Explanation:
Take a look at tgis art piece of art
The cultures that created this form of art thought it important to pass the artwork on to future generations
What type of oceanic art is this considered to be?
A. Australian Art
B. Micronesian Art
C. Melanesian Art
D. Polynesian Art
Edmentum/Plato
Answers
The given art piece is considered to be Polynesian Art. So the correct option is option D.
Polynesia is divided into the East Polynesian and West Polynesian cultural groups. West Polynesian culture is characterized by a high population density. West Polynesia has strong marriage institutions and well-established judicial, monetary, and commercial customs. West Polynesia includes the groups, Tonga, Samoa, and Fiji.
People were artists and craftspeople of exceptional skill. Simple things like fish hooks would be made to exact specifications for various catches and embellished even when the embellishment wasn’t part of the purpose. Stone and wood weapons were seen as more powerful the more beautifully crafted and embellished they were. In many island groups, weaving was an integral part of their culture, and gift-giving of woven articles was a long-standing tradition.
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How are kettle lakes formed
Answers
Answer:
Kettles form when ice detaches from a glacier. Eventually, it becomes wholly or partially buried in sediment and slowly melts, leaving behind a pit.
Answer:
A kettle lake is formed when an inactive block of ice breaks off of a glacier, as time goes on it gets buried sediment and begins to melt, as it melts it leaves behind a pit. Where eventually water will fill it up and the pit will become a body of water.