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garri49 [273]
3 years ago
5

What is the goal of meiosis? How many daughter cells do you have at the end of meiosis?

Biology
1 answer:
tatuchka [14]3 years ago
4 0

Answer:

Goal of meiosis: To produce gametes with half the number of chromosomes as compared to the somatic cells.

Each parent cell produces four daughter cells by the end of meiosis.

Explanation:

The goal of meiosis is to produce gametes for sexual reproduction. Since male and female gametes fuse to produce a zygote, each of the gametes should have half the number of chromosomes as compared to the somatic cells to prevent the doubling of chromosomes by the end of each round of sexual reproduction.

Therefore, meiosis produces haploid gametes from diploid gamete mother cells. Absence of DNA replication between meiosis I and meiosis II ensures that the number of chromosomes is halved in the daughter cells of meiosis. Additionally, meiosis also imparts genetic variations to the progeny by the process of crossing over.  

A diploid parent cell enters meiosis I and produces two haploid daughter cells which in turn enter meiosis II to produce a total four haploid daughter cells.  

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) This is a condition or illness that prevents the body or mind from working normally.
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Answer:

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Disease:

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Which property of water remains unchanged when it recycles in the atmosphere
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Answer:

Molecular arrangement is the property of water remains unchanged when it recycles in the atmosphere .

Explanation:

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This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs—shared and unshared—repel each other.  Thus it is the element or property which remains in same condition.

3 0
3 years ago
Assume that the red blood cell counts of women are normally distributed with a mean of 4.577 million cells per microliter and a
postnew [5]

Answer:  C. ​82.26%

Explanation:

Given :  The red blood cell counts of women are normally distributed with

\mu=4.577\text{ million cells per microliter}

\sigma=0.382\text{ million cells per microliter}

Let X be the random variable that represents the red blood cell counts of randomly selected woman.

Z-score : z=\dfrac{X-\mu}{\sigma}

For X=4.2

z=\dfrac{4.2-4.577}{0.382}\approx-0.99

For X=5.4

z=\dfrac{5.4-4.577}{0.382}\approx2.1544

Now, the probability that the women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per​ microliter will be :-

P(4.2

Hence, 82.26% of women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per​ microliter.

4 0
3 years ago
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. Crinoids are an echinoderm species which
almond37 [142]

The correct answer is - D) covered by warm shallow seas.

The fact that the crinoids are have an abundance in the fossil records in Pennsylvania in the Mississippian Period, tells us that this area was covered with shallow and warm seas. The reason why we can get that conclusion is that the crinoids live only in that kind of environment, so it simply a logical conclusion.

The geological data is also confirming this, as it is easily noticeable in the layers that during this period of the geologic past, what is now Pennsylvania, was covered with shallow sea waters. Also, this waters were warm too, as the climate was warm and humid and that period, so it was a perfect environment for the crinoids to flourish.

8 0
3 years ago
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