Gujarati
5.Molecular Basis of Inheritance
normal

The somatic chromosome complement in all human being is

A

$21$ pairs of autosomes and one pair heterosomes

B

$23$ pairs of autosomes and one pair of heterosomes

C

$22$ pairs of autosomes and one pair of heterosomes

D

$22$ pairs of autosomes and one pair of $XY$ chromosomes

Solution

(c)$22$ pairs of chromosomes are called autosomes, which decide the somatic characters in both sex, while $23^{rd}$ pair of chromosomes are called hetrosomes or allosomes.

Standard 12
Biology

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