AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Gamete (sex) cells undergo meiosis to ____
A
double the number of chromosomes
B
halve the number of chromosomes
C
triple the number of chromosomes
D
replicate chromosomes
Explanation: 

Detailed explanation-1: -Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.

Detailed explanation-2: -As a cell divides to form gametes: A copy of all of the genetic information is made. The cell divides twice to form four gametes, each with a single set of chromosomes (haploid ). This means the chromosome number has halved.

Detailed explanation-3: -Anaphase I of meiosis is characterized by separation of homologous chromosomes. This leads to reduction in chromosome number to half of that present in the mother cell.

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