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SpyIntel [72]
3 years ago
6

Which of the following statements about meiosis is correct? Which of the following statements about meiosis is correct? Meiosis

in a diploid cell produces diploid daughter cells. Crossing over cannot occur during meiosis. Meiosis produces cells that differ genetically from the parent cell. In meiosis, each cell division produces two genetically identical daughter cells.
Biology
2 answers:
Lapatulllka [165]3 years ago
7 0

Answer:

The correct answer is "Meiosis produces cells that differ genetically from the parent cell".

Explanation:

In contrast with mitosis, which is the cellular differentiation that produces somatic cells; meiosis produces cells that differ genetically from the parent cell. Meiosis is a special type of cellular differentiation that reduces the genetic material by half, and results in the creation of four haploid cells that are genetically distinct from the parent cell. Meiosis allows for the maturation of sexually reproducing cells, and the genetic variations of these cells is one factor that allows for genetic variations among sexually reproducing species, such as humans.

Nataliya [291]3 years ago
7 0

Answer:

The answer is: Meiosis produces cells that differ genetically from the parent cell.

Explanation: Meiosis is a process in which two diploid cells divide to generate four haploid cells. During this process, there is a crossing over, which occurs in prophase I; the first phase of meiosis. Crossing over is characterized by the matching between equivalent cells through a genetic exchange, which generates the creation of new cells that differ genetically from the parent cell. These new cells possess unique characteristics.

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Clear cutting has a similar effect as controlled burning of a forest. True False
zysi [14]

The correct answer is false and here is why:

Clear cutting refers to the cutting of trees, specifically all of the trees in one select area. Replanting is not done and this leads to deforestation.

Controlled burns have a completely different affect. They burn the under brush to help keep the soil rich with nutrients, plus they also help to prevent large crown fires that burn down whole forests from happening.

Clear cutting is a bad thing and controlled burns are a good limiter for a forest.

4 0
3 years ago
Why does meiosis produce cells with half the chromosomes
ZanzabumX [31]
<span>A gamete needs only half the number of chromosomes because two gametes join together hope his helps you

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Where does the signal go when the body detects a life I threatening change
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Flight or fight response 
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Limiting factors determine an area’s carrying capacity because
Degger [83]

Answer:

Animals need resources to survive.

Explanation:

With a lack of enough resources for various animals, it generates competition for resources and eventually animals will start to starve and die off.

6 0
3 years ago
In humans, dimples (D) are dominant over no dimples (d). Curly hair (A) is dominant over
jeyben [28]

Answer:

1. ddaa

2. DdAa

3. One from each parent

4. False

5. 0.25

6. 0.25

7. 0.25

8. 0.5

Explanation:

The remaining part of the question is  

1. What is Jane's genotype?  

2. What is Paul’s genotype?  

3. Where did Jane get her gene for curly hair? From her mother or father?  

4. True or False: Jane's mother was heterozygous for curly hair?

5. What fraction of Paul and Jane's children should have curly hair and dimples?  

6. What fraction of their children would have straight hair and no dimples?  

7. What fraction should have dimples but not curly hair?  

8. What is the probability of getting any offspring with dimples

Solution

1. Genotype of Jane's mother -ddaa

2. Genotype of Paul (heterozygous for dimples and curly hair) – DdAa

3. One “a” gene from mother (whose genotype for hair was aa) and second “a”gene from father (whose genotype was  Aa)

4. False.  She was having straight hair

5. Offspring of  Paul and Jane  

DdAa (4), Ddaa (4), ddAa(4) and ddaa (4)

4 out of 16 offspring will have curly hair and dimples = 0.25

6. ddaa, 4/16 = 0.25

7. Ddaa , 4/16 = 0.25

8. Ddaa, DdAa, 8/16 = 0.5

6 0
3 years ago
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