Physics · Heredity and Evolution
In human beings, how is the biological sex of a child primarily determined?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1By the mandatory inheritance of an X chromosome from the mother
- 2By the external environmental temperature prevailing during the development of the foetus
- 3By the inheritance of either an X or a Y chromosome from the father✓
- 4By the difference in the total number of autosomes inherited by the child
Correct answer
By the inheritance of either an X or a Y chromosome from the father
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