AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In mitosis, if the parent cell is 2n, what are the daughter cells going to be?
A
2n
B
4n
C
1n
D
6n
Explanation: 

Detailed explanation-1: -The result of mitosis is two identical daughter cells, genetically identical to the original cell, all having 2N chromosomes.

Detailed explanation-2: -The genetic annotation for a diploid cell, a cell that contains two copies of every chromosome, is 2n. The type of cell division that results in two daughter cells with the same number of chromosomes as the mother cell is called mitosis.

Detailed explanation-3: -In this simple example, a diploid body cell contains 2n = 2 chromosomes. One chromosome came from mom and one from dad. In humans, 2n = 46, so 23 came from mom, and 23 from dad.

Detailed explanation-4: -Mitosis is used to produce daughter cells that are genetically identical to the parent cells. The cell copies-or ‘replicates’-its chromosomes, and then splits the copied chromosomes equally to make sure that each daughter cell has a full set.

Detailed explanation-5: -At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes. At the end of meiosis II, each cell (i.e., gamete) would have half the original number of chromosomes, that is, 15 chromosomes. 2.

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