AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In what phase of meiosis does the following occur?By the end of meiosis, 4 haploid cells are formed. Each cell has a unique genetic make-up. A nucleus surrounds each set of chromosomes, and the cell carries out normal metabolic activities.
A
Prophase I
B
Anaphase II
C
Metaphase II
D
Telophase II
E
Prophase II
Explanation: 

Detailed explanation-1: -In telophase II, nuclear membranes form around each set of chromosomes, and the chromosomes decondense. Cytokinesis splits the chromosome sets into new cells, forming the final products of meiosis: four haploid cells in which each chromosome has just one chromatid.

Detailed explanation-2: -At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.

Detailed explanation-3: -The process by which the chromosome number is halved during gamete formation is meiosis. In meiosis, a cell containing the diploid number of chromosomes is converted into four cells, each having the haploid number of chromosomes.

Detailed explanation-4: -Meiosis is a type of cell division-like mitosis, but it results in four haploid cells with one-half the number of chromosomes as the original diploid cell. Meiosis occurs in plants only during sexual reproduction in specialized cells to produce a haploid egg cell.

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