1.

ln human beings, the chromosomes that determine birth of a normal female child are ___________.

A. one X chromosome from mother and one X chromosome from father
B. one X chromosome from mother and one Y chromosome from father
C. two X chromosomes from mother and one X chromosome from father
D. one X chromosome and one Y chromosome from father and one X chromosome from mother
Answer» B. one X chromosome from mother and one Y chromosome from father


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