AP BIOLOGY

LABORATORY REVIEW

MITOSIS AND MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
At the end of Meiosis 1 the cytokinesis creates what?
A
2 diploid cells
B
2 haploid cells
C
4 diploid cells
D
4 haploid cells
Explanation: 

Detailed explanation-1: -During telophase I, the chromosomes are enclosed in nuclei. The cell now undergoes a process called cytokinesis that divides the cytoplasm of the original cell into two daughter cells.

Detailed explanation-2: -Both produce two daughter cells from each parent cell. However, Meiosis I begins with one diploid parent cell and ends with two haploid daughter cells, halving the number of chromosomes in each cell.

Detailed explanation-3: -Cytokinesis is the final event of the cell division cycle, and its completion results in irreversible partition of a mother cell into two daughter cells.

Detailed explanation-4: -Diploid is a term that refers to the presence of two complete sets of chromosomes in an organism’s cells, with each parent contributing a chromosome to each pair. Humans are diploid, and most of the body’s cells contain 23 chromosomes pairs.

Detailed explanation-5: -Meiosis I is the stage of cell division where the cells carrying two sets of chromosomes that are divided into two cells that possess half the diploid set of chromosomes. Hence, during this phase, the diploid cells are replicated and produce haploid cells. Therefore, there are haploid cells at the end of meiosis I.

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