SATHEE: Principles Of Inheritance And Variation Ques 19

Principles Of Inheritance And Variation Ques 19

19. Diploid chromosome number in humans is

(a) 46

(b) 44

(c) 48

(d) 42

Show Answer

Answer : a

Hints & Solution

(a) Chromosomes occur in homologous pairs. Somatic cells have diploid number of chromosomes. Humans have 23 pairs i.e. 46 chromosomes. 22 pairs of autosomes and 1 pair of sex chromosomes i.e., XX in females and $XY$ in males.

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Principles Of Inheritance And Variation

Principles Of Inheritance And Variation Ques 19

19. Diploid chromosome number in humans is

Answer : a

Hints & Solution

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