NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL CYCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A human usually has ____ chromosomes in each somatic cell.
A
6
B
22
C
4
D
46
Explanation: 

Detailed explanation-1: -In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.

Detailed explanation-2: -Chromosomes come in pairs. Normally, each cell in the human body has 23 pairs of chromosomes (46 total chromosomes). Half come from the mother; the other half come from the father.

Detailed explanation-3: -In a diploid human cell, chromosome number is 46.

Detailed explanation-4: -Somatic cells each have 46 chromosomes in total, with 23 chromosomes from each parent. Each somatic cell contains 23 homologous pairs and is considered diploid. Gametes have 23 chromosomes in total, one copy from each homologous pair, and are considered haploid.

Detailed explanation-5: -Somatic cells have 44 autosomes and 2 sex chromosomes. Whereas Sex cells have 22 autosomes and 1 sex chromosomes.

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