AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many chromosomes from each paternal pair are contained in each daughter cell at the end of meiosis I?
A
1
B
2
C
3
D
4
Explanation: 

Detailed explanation-1: -Each daughter cell will have four chromosomes at the end of meiosis.

Detailed explanation-2: -Each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes. Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of meiosis: meiosis II. At the end of meiosis I there are two haploid cells.

Detailed explanation-3: -At the beginning of meiosis I, a human cell contains 46 chromosomes, or 92 chromatids (the same number as during mitosis).

Detailed explanation-4: -In meiosis I, chromosomes in a diploid cell resegregate, producing four haploid daughter cells. It is this step in meiosis that generates genetic diversity.

Detailed explanation-5: -Chromosomes get divided in each cell during meiosis. The parent cell remains diploid in nature( 46 chromosomes in each cell) after meiosis I. After meiosis II, when each parent cell gets divided into two gametes each gamete cell contains 23 chromosomes.

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