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Delicious77 [7]
3 years ago
8

Which of the following statements best describes the major difference between anaphase of mitosis and anaphase I of meiosis?

Biology
3 answers:
natima [27]3 years ago
7 0
"In anaphase I, homologous pairs are separated but sister chromatids stay joined together" is the one option among all the choices given in the question that <span>best describes the major difference between anaphase of mitosis and anaphase I of meiosis. The correct option among all the options given in the question is option "A".</span>
prohojiy [21]3 years ago
6 0

Answer;

A. In anaphase I, homologous pairs are separated but sister chromatids stay joined together.

Explanation;

-Anaphase of mitosis is stage during during which each chromosome's sister chromatids separate and move to opposite poles of the cell. The stage before anaphase, metaphase, the chromosomes are pulled to the metaphase plate, in the middle of the cell.

-Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. The sister chromatids remain attached at their centromeres and move together toward the poles.

pishuonlain [190]3 years ago
6 0

Answer;

A. In anaphase I, homologous pairs are separated but sister chromatids stay joined together.

Explanation;

-Anaphase of mitosis is stage during during which each chromosome's sister chromatids separate and move to opposite poles of the cell. The stage before anaphase, metaphase, the chromosomes are pulled to the metaphase plate, in the middle of the cell.

-Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. The sister chromatids remain attached at their centromeres and move together toward the poles.

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Compare the number of eggs to the number of sperm that result from meiosis?
Molodets [167]

Answer:

In the result of meiosis, testes produce 4 small mature sperm while ovaries produce 1 large egg cell.

Explanation:

Meiosis produces gametes (sex cells). Sex cells are eggs in females and sperm in males.

In the female, ovaries produce four haploids (3 polar bodies and 1 immature egg) under meiotic division. Polar bodies die because of the unequal division of cytoplasm. The immature egg matures into a large ovum/egg every 28 days during the menstrual cycle that is able to fertilize.

In the male, meiosis occurs in testes that produce 4 spermatids that mature into 4 small sperms. Testes produce several hundred million sperms every day under meiosis. These sperms are able to fertilize.

Nevertheless, if we want to compare their numbers based on meiotic division, we would say that they will be in the same ratio (1:1) at the end of each meiosis cycle for males and females.

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3 years ago
Whats the diffrent between stimulus and response?​
Luden [163]

Answer:

Stimulus is the cause or change in an organism's surroundings that causes it to response .. response is the result of the stimulus on the organism.

Explanation:

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3 years ago
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Why are germ cells haploid?
suter [353]
Germ cells are also diploid, but they are found only in the gonads. Gonads are the ovaries in females and testes in males. <span>Gametes are </span>haploid cells<span>, which means that they have only one set of chromosomes. </span>
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3 years ago
Which of the following regions of the body are the tibia and fibula?a. Coxal Regionb. Antecubital Regionc. Tarsal Regiond. Crura
andrey2020 [161]

Answer:

The correct answer is : crural region.

Explanation:

In human body, The crural region of the bone is the leg region which is extending to knee to ankles in simpler language. It includes the tarsal region, tibia, fibula, shin area of leg, pedal region.

The coxal area or region is the region of hip bone and pelvic bone. Antecubital region in elbow pit of the arm and tarsal region is part of the toe region.

Thus, the correct answer is :  crural region.

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