Gujarati
5.Molecular Basis of Inheritance
normal

The human chromosomes are divided into $7$ groups, $B$-chromosomes are

A

$6-12$

B

$1-3$

C

$13-15$

D

$4-5$

Solution

(d) Human chromosomes are devided into $7$ groups $(A-G)$ on depending upon position of centromear and relative length of two arms.

In $B$-group, $4$ th and $5$ th chromosomes are placed. These are submetacentric.

Standard 12
Biology

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