AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
____ occurs at the same time as Telophase II.
A
Each newly forming cell gets a nucleus.
B
Chromosomes uncoil to form chromatin.
C
4 haploid gametes are being formed.
D
All of the above.
Explanation: 

Detailed explanation-1: -Cytokinesis may occur at the same time as telophase. This is the division of cytoplasm and organelles by the cell membrane pinching inwards.

Detailed explanation-2: -The final two events of M phase are the re-forming of the nuclear envelope around the separated sister chromatids and the cleavage of the cell. These events occur in telophase and cytokinesis, respectively.

Detailed explanation-3: -Telophase II: During telophase II, cell division begins again in each of the two daughter cells, creating 4 daughter cells. Each of these 4 daughter cells contains 23 chromosomes, making them haploid, and none of the 4 is exactly alike (due to crossing over and independent assortment).

Detailed explanation-4: -The difference between cytokinesis and telophase is that cytokinesis is the final step of cell division while telophase is the final step of karyokinesis. Note: Cytokinesis and telophase are steps of cell division. The similarity between both these steps are, 1)Both of them occur in meiosis and mitosis as well.

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