If heterozygous tall pea plant is crossed (mated) with another heterozygous tall pea plant,what is the genotype ratio of offspring?
Answers
Answer:
75%tall 25%short
Explanation:
picture of my work attached
Explanation:
Option B is the correct answer
Related Questions
what type of protein binds to silencers to prevent gene expression from occurring? what type of protein binds to silencers to prevent gene expression from occurring? repressors promoters enhancers rna polymerase
Answers
Answer: repressors
Explanation:
what is the difference in potential between two charges called
Answers
Answer:
volt
Explanation:
The potential difference is expressed in volt (V). The potential difference between two points is said to be 1 volt if the work is done in moving 1-coulomb charge from one point to other is 1 joule. 1 volt= 1 joule/ 1 coulomb Unit for measuring the potential difference is volt and instrument used for measuring potential difference is a voltmeter.
Answer:
Its potential is taken as zero potential. Thus the positively charged conductor has more positive potential than the earth. A negatively charged conductor has negative potential less than that of the earth. The electric potential difference between two points in an electric circuit is the work done in moving a unit positive charge from one point to the other.
Answer with the key words from the word bank in each description :P
5. Normal active, growing stage of the cell.
6. Chromosomes make copies of themselves (replicate).
7. Humans have 23 pair of these.
8. Cell division in which the chromosomes in the nucleus of the parent cell duplicate and divide into two identical daughter cells.
9. Centrioles move to the poles.
10. One side of a replicated chromosome.
11. Mitosis is defined as the division of the cell
and this is the word bank
Metaphase
Prophase
Interphase
Telophase
Anaphase
Chromosomes
Chromatids
Mitosis
Nucleus
Answers
Answer:
5 - Interphase
6 - Mitosis
7 - Chromosomes
8 - Mitosis
9 - Anaphase
10 - Chromatids
11 - Mitosis
7. List all the possible different gametes that could be produced from the following parents:
a. Tt
b. GG
с. ff
Answers
Answer:
a. Tt - Gametes T and t
b. GG - Gametes G only
с. ff - Gametes f only
Explanation:
Gamete formation or meiosis is a cellular division of the reproductive cells in sexually reproducing organisms. Meiosis produces daughter cells (gametes) with a reduced number of chromosomes (by half) as the parent cell.
According to Gregor Mendel in his law of Segregation, he stated that the alleles of a gene get separated into gametes in such a way that only one allele can be found in the gamete. The separation is random and equal.
Based on this, a heterozygous parent Tt will produce gametes with alleles T and t in an equal proportion. Since parents GG and ff contains the same alleles in their genotype, they will produce gametes with only one type of allele each i.e. Gametes with alleles G and f respectively.
A scientist collected information about a population of
ground owls in a field.
1980
1990
2000
2010
2020
Ground Owl Population over Time
Year
Number of individuals
438
498
463
482
53
In 2019, there was a severe drought. Which claim best explains the data?
OA. The drought increased the ecosystem's carrying capacity for
ground owls
OB. The drought caused many ground owls to immigrate to the
ecosystem.
OC. The drought made the ecosystem more stable.
D. The drought made the ecosystem less stable
Answers
The drought made the ecosystem less stable (Option D), as it led to a significant decrease in ground owl population.
The data provided indicates a substantial decline in ground owl population from 482 in 2010 to 53 in 2020.
In 2019, there was a severe drought, which likely affected the availability of resources such as food and water in the ecosystem.
This made the ecosystem less stable (Option D) and unable to support the previous ground owl population, causing a dramatic reduction in their numbers.
Droughts can alter habitats, reduce food sources, and cause population fluctuations, contributing to overall ecosystem instability.
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pls answerrrrr guys. i need the answer. if u answer i will mark u as brainliest and follow u too
Answers
Answer:
repeatable
Explanation:
• a bacterial growth curve is presented below. the curve represents ________ growth, which is caused by the ________.
Answers
The bacterial growth curve you mentioned represents "exponential" growth, which is caused by the "binary fission" process.
In a bacterial growth curve, exponential growth is the phase where bacteria multiply rapidly, and their population doubles with each generation.
Exponential growth in bacteria occurs due to binary fission, a process in which a single bacterial cell divides into two identical daughter cells, leading to a rapid increase in their numbers.
A bacterial growth curve represents exponential growth, caused by the process of binary fission, resulting in a rapid increase in the bacterial population.
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write all name of this figure.
Answers
In the second figure kindly ignore the tubectomy part.
there is a range of perspectives on darwin's ideas about evolution. his theory of evolution shows us a way in which simplicity could change into complexity that many find appealing. when dawkins (1989) states that "darwin's theory of evolution by natural selection is satisfying" (p. 12), he points to the ability of the theory to explain complex phenomenon.
Answers
Darwin's theory of evolution by natural selection is satisfying because it provides an explanation for the transformation of simplicity into complexity in various organisms.
Darwin's theory of evolution by natural selection proposes that through the process of variation, inheritance, and differential survival and reproduction, species gradually change over time. This theory offers a compelling explanation for the development of complex traits and structures in organisms. By emphasizing the role of gradual changes over long periods, Darwin's theory shows how simplicity can give rise to complexity through cumulative adaptations.
The appeal of Darwin's theory lies in its ability to account for the diversity and complexity of life on Earth. It explains how organisms with simple features can evolve into more complex ones over generations, driven by natural selection. This process occurs through the accumulation of advantageous traits that enhance an organism's survival and reproduction in its environment. As these adaptations persist and accumulate, complexity can emerge, allowing organisms to better adapt and exploit their surroundings.
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What are the 4 main chambers of the heart?
Answers
Blood enters the right and left atria, the upper chambers. Blood is pumped from the heart by the right and left ventricles. The right and left atria; The right and left ventricles are the 4 chambers of heart.
What role would a chamber serve?Blood flows the right and left atria, the upper chambers. Blood is pumped from the heart through the less flexible right and left ventricles. The gates at the chamber openings are the heart valves, that maintain blood flow in the proper direction.
Which of the four heart chambers is the biggest?The largest and strongest chamber in your heart is called the left ventricle. Although the left ventricle's chamber walls are only one to three centimetres thick, they are powerful enough to pump blood past the aortic valve and into your body.
Which artery is the largest?The largest blood vessel inside the body is the aorta. This artery is in charge of delivering your heart's blood that is rich in oxygen.
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Which statement best explains why cells differentiate in multicellular organisms? Cells differentiate to form specialized cells that make up tissues and organs. Cells differentiate to form cells with different DNA that perform different functions. Cells differentiate to form the cells necessary for reproduction. Cells differentiate to create proteins and fat.
Answers
The statement that explain why cells differentiate in multicellular organisms Is Cells differentiate to form specialized cells that make up tissues and organs.
What are multicellular organisms?Multicellular organisms refer to living organisms that are comprises or made up of two or more cells for the proper functioning of the body make up.
Examples of multicellular organisms are goats, humans, sheep and so on.
Cells in multicellular organisms differentiate to form tissues and organs. Multiple cells former tissues and multiple tissues formed organ.
Therefore, The statement that explain why cells differentiate in multicellular organisms Is Cells differentiate to form specialized cells that make up tissues and organs
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Answer: The answer is Cells differentiate to form specialized cells that make up tissues and organs.
Explanation: I took the test and it was right
Hope this helps :)
One type of eukaryotic cell line 1) spends 24 minutes in Sphase and another type of cell line 2) spends 48 minutes in S phase. Which of the following statements is the best explanation for the difference in time spent in Sphase by cell lines 1 and 2? II III IV I V Amount of DNA in nucleus First cycle Second cycle Amount of DNA per nucleus over the cell division cycle. O Lines 1 and 2 contain the same amount of DNA. Line 1 cells reproduce by binary fission and line 2 cells reproduce by mitosis and cytokinesis. O Line 2 has plant cells and line 1 has animal cells. Line 2 contains more DNA than line 1 Submit Request Answer
Answers
The best justification for the discrepancy between the lengths of time that cell lines 1 and 2 spend in the S phase is one of the following Comparing line 1 to line 2, line 2 has more DNA.
What is meant by cell line?A specified population of cells that can be maintained in culture for a long time while keeping stability in their phenotypes and functions is referred to as a cell line in general. Cell lines are often clonal, which means that their whole population descended from a single cell that served as their common ancestor. An immortalised cell line is a group of cells from a multicellular creature that, by mutation, have managed to avoid normal cellular senescence and can continue to divide indefinitely. As a result, the cells can be in vitro cultured for a very long time. A cell line's shape reveals the tissue from whence it originated.To learn more about cell line, refer to:
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give me 3 reasons of the importance of vegetative plant propagation.
Answers
Answer:
Plant propagation is the process of increasing the number of plants of a particular species or cultivar. Propagation can be via sexual or asexual means. Over the years, horticulturalists have developed asexual propagation methods that use vegetative plant parts. This allows plants to be created in ways that nature cannot duplicate.
Explanation:
The process of meiosis is most closely associated with
Answers
Answer:
Sexual reproduction.
Explanation:
I'm doing this unit right now. Hope this helps :)
One half of a DNA molecule has the following nitrogen base sequence:
A-T-G-T-C-A
What is the corresponding base sequence of the other half of the DNA molecule?
O A-T-G-I-C-A
OT-A-C-A-G-T
OG-C-A-C-T-G
OT-A-G-C-A-T
Answers
A student places four small aquatic snails in a test tube containing bromothymol blue solution. The solution will change color from blue to yellow if the carbon dioxide level increases. The student seals the test tube and notes that the solution is blue. After a few hours, the student observes that the solution is yellow. What cellular process did the snails perform that caused the color of the solution to change
Answers
Answer:
Respiration.
Explanation:
Respiration is the process which occurs in the test tube because the snails is a living organism that releases carbondioxide gas that mix with the solution and change the colour. The student says that the solution will change color from blue to yellow if the carbon dioxide level increases. So due to presence of living organisms in the test tube, the living organism provides carbondioxide in large amount through the process of respiration.
How does a mass drive work?
A.
It uses the potential of a spacecraft to nudge an NEO out of its current path.
B.
It removes and ejects mass from an NEO, and gives it a little push.
C.
It involves a small rocket thrust; the mass of the NEO provides the momentum to move it further.
D.
It drives a smaller NEO into a collision course with the hazardous NEO.
Answers
Answer:
B I think.
Explanation:
Could also be D but I know it's not A or C, I took a test and it wasn't either of those.
what bond is used to unite two amino acids?
Answers
Answer:
Peptide bond
Explanation:
Within a protein molecule, two amino acids are linked together by a peptide bond. A peptide bond is formed by extracting a water molecule as it joins the amino group of one amino acid to the carboxyl group of a another amino acid.
In a chemical reaction, what would happen if the reactants are heated
Answers
Answer: the average kinetic energy of the molecules increase
Explanation: it means that more molecules are moving faster and hitting each other with more energy and if more molecules hit each other with enough energy to react, then the rate of the reaction increases
A red bloom cell has diameter of 0.008mm. a model of the red blood cell has a diameter of 80mm. What is the scale of the model
Answers
Scale of the model: 1:10,000. To find the scale of the model, we need to compare the size of the model to the actual size of the red blood cell. Given that the diameter of the red blood cell is 0.008mm and the diameter of the model is 80mm, we can calculate the scale by dividing the diameter of the model by the diameter of the actual cell.
Scale = Model diameter / Actual cell diameter
Substituting the given values:
Scale = 80mm / 0.008mm
Simplifying the expression:
Scale = 10,000
Therefore, the scale of the model is 1:10,000.
1. Identify the diameter of the red blood cell: 0.008mm.
2. Identify the diameter of the model: 80mm.
3. Use the formula Scale = Model diameter / Actual cell diameter.
4. Substitute the values into the formula: Scale = 80mm / 0.008mm.
5. Simplify the expression to find the scale: Scale = 10,000.
6. The scale of the model is 1:10,000, indicating that the model is 10,000 times larger than the actual red blood cell.
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How do scientists communicate the proven results of their experiments?
A. They inform only the scientists they work with directly.
B. They write a blog post about the experiment.
C. They inform journalists so that it is distributed in the media.
D. They publish the results in a specific journal.
Answers
Answer:
d
Explanation:
hope this helps you out, and let me know if you have any more questions that i may be able to help with
Why spirogyra kept in chlorophyceae?
Answers
Answer: the body may be unicellular, colonial, filamentous or multicellular.They are usually green due to the presence of chlorophyll a, chlorophyll b and beta-carotene.The chloroplast may be discoid, cup-shaped (e.g. Chlamydomonas), spiral or ribbon shaped.
Explanation:
the physical trait expressed
Answers
Answer: phenotype
Explanation:
The physical trait expressed is the phenotype
2. Which of the following is evidence used to support cell theory? (Choose all that apply)
Cells from different organisms have similar parts.
All living and nonliving things are made of cells.
I Animals are made from cells, but plants are not.
All plants and animals are made of cells.
Answers
What is one characteristic of Mercury?
A. It has the densest atmosphere of the terrestrial planets.
B. It has the largest temperature variation of the terrestrial planets.
C. It is the terrestrial planet farthest from the sun.
D. It has the strongest magnetic field of the terrestrial planets.
Answers
Answer:
It has a solid surface that is covered with craters like our Moon.
Explanation:
I hope it helps u dear (^^)
the tube that carries spermazotoa from the testis is called the __________.
Answers
Answer: A vas deferens
Explanation:
Why is sodium acetate added during DNA extraction procedure?
A.
to break open the cells
B.
to precipitate DNA
C.
to dissolve lipid membranes
D.
to dissolve DNA
E.
to denature cellular proteins
Answers
Answer:
Polar bodies serve to eliminate one half of the diploid chromosome set produced by meiotic division in the egg, leaving behind a haploid cell.
Explanation:
Answer:
E. to denature cellular proteins for plato / edmentum
Explanation:
my notes say -
Protease enzyme, sodium acetate, or a phenol/chloroform mixture is added to cleave cellular proteins.
Individuals with high blood pressure are at a higher risk for:OOOOstrokeaneurismheart attackAll of these choices are correct.
Answers
High blood pressure can place increased pressure on the walls of the blood vessels inside the brain, increasing your chances of developing an aneurysm. Also, it forces the heart to work harder to pump blood to the rest of the body. This causes the lower left heart chamber (left ventricle) to thicken. A thickened left ventricle increases the risk of heart attack, heart failure and sudden cardiac death. Moreover, blood vessels damaged by high blood pressure can narrow, rupture or leak. High blood pressure can also cause blood clots to form in the arteries leading to the brain, blocking blood flow and potentially causing a stroke.
So the correct answer is: All of thees choices are correct.
Reflexive Motion is caused by the gravitational pull that the planet exerts on its _____
Answers
Answer:
As an exoplanet orbits its parent star, it exerts a reflex motion on the star (caused by the gravitation pull of the planet on the star). This causes the position of the host star to oscillate with each orbital period of the planet.
Explanation:
the most influential factor in delaying brain deterioration during old age is:____
Answers
The most influential factor in delaying brain deterioration during old age is engaging in mentally stimulating activities such as reading, doing puzzles, and learning new skills. This has been shown to help maintain cognitive function and delay the onset of dementia and Alzheimer's disease. Additionally, maintaining a healthy lifestyle, including regular exercise and a balanced diet, can also play a role in preserving brain health.
The most influential factor in delaying brain deterioration during old age is lifestyle choices.
Lifestyle choices have a significant impact on brain health and can help delay brain deterioration as we age. Engaging in regular physical exercise, maintaining a healthy diet, getting sufficient sleep, and managing stress are crucial factors in preserving cognitive function. Exercise promotes blood flow to the brain, stimulates the growth of new neurons, and enhances brain plasticity. A balanced diet rich in fruits, vegetables, whole grains, and omega-3 fatty acids provides essential nutrients for brain health. Quality sleep allows the brain to consolidate memories and recharge. Effective stress management techniques, such as meditation or engaging in hobbies, help reduce chronic stress, which can negatively affect brain health. Adopting these lifestyle choices can contribute to maintaining cognitive abilities, improving memory, and delaying brain deterioration during old age.
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