NEET BIOLOGY

Detailed explanation-1: -Human somatic cells have 46 chromosomes consisting of two sets of 22 homologous chromosomes and a pair of nonhomologous sex chromosomes. This is the 2n, or diploid, state. Human gametes have 23 chromosomes or one complete set of chromosomes. This is the n, or haploid, state.

Detailed explanation-2: -In plants and animals (including humans), chromosomes reside in the nucleus of cells. Humans have 22 pairs of numbered chromosomes (autosomes) and one pair of sex chromosomes (XX or XY), for a total of 46.

Detailed explanation-3: -The daughter cells are also genetically identical to the parent cell. All of the 46 chromosomes in somatic cells divide and then separate through the process of mitosis. The result is two daughter cells that also contain 46 chromosomes.

Detailed explanation-4: -46 is generally considered Because each human originates from a single cell. All other cells are just copies of that single cell. And that single original cell, the fertilized egg, the zygote, has 46 chromosomes.