AP BIOLOGY

CELL DIVISION

MEIOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a regular body cell has 50 chromosome, how many would a Haploid cell from Meiosis would have?
A
100
B
5
C
50
D
25
Explanation: 

Detailed explanation-1: -At the conclusion of meiosis, there are four haploid daughter cells that go on to develop into either sperm or egg cells.

Detailed explanation-2: -The total number of chromosomes is referred to as the chromosome number. The haploid number in humans is given as 2n=46, n = 23, this is because the haploid human cells possess one set of 23 chromosomes – 22 sets of autosomal chromosomes (non-sex chromosomes) and 1 set of sex chromosomes.

Detailed explanation-3: -If the diploid cell had 50 chromosome, the number of chromosome will be reduced to half in anaphase 1 and become 25.

Detailed explanation-4: -Gametes are the product of meiosis which reduces the number of chromosomes to half in them as compared to that of gamete mother cells. Therefore, gametes have half the number of chromosmes as that of somatic cells. If somatic cell has 56 chromosomes, the gamete will have 28 chromosomes.

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