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4.Principles of Inheritance and Variation
normal
If the number of chromosomes in most body cells of a mammal is $40$, the cells in the seminiferous tubule will have
A
$40$ chromosomes
B
$20$ chromosomes
C
$10$ chromosomes
D
While some other will have $20$
Solution
(d)Reduction division takes place during spermatogenesis. Spermatids and sperms will have haploid number of chromosomes.
Standard 12
Biology