MCQ
A couple will have a male child if :
  • A
    Father is healthier than mother
  • B
    Genetic chromosomal constitution of child is $XX$
  • C
    Mother is fed well during the pregnancy
  • Genetic chromosomal constitution of a child is $XY$

Answer

Correct option: D.
Genetic chromosomal constitution of a child is $XY$
In human males, there will be $22$ pairs of autosomes and one last pair of sex chromosomes.
The sex chromosome will be $XY$. Human females will have $22$ pairs of autosomes and $XX$ as sex chromosome.

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