AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If there are 30 chromosomes in the blood cells, how many chromosomes will be in the bone cells?
A
15
B
60
C
30
D
120
Explanation: 

Detailed explanation-1: -so an animal with a diploid number of chromosomes equal to 30 will produce four gametes. Each gamete will contain 15 chromosomes due to meiosis.

Detailed explanation-2: -If a cell has 30 chromosomes before mitosis, each daughter cell also has 30 chromosomes. Mitosis is the process of cell division and makes two identical daughter cells from one parent cell.

Detailed explanation-3: -If there are 30 chromosomes in G1 phase, then there will be 15 bivalents in zygotene stage.

Detailed explanation-4: -A diploid somatic cell of rat has a total of 42 chromosomes (2n = 42).

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