The zygote and early embryonic cells of female mammals have how many X chromosomes?
A) Three
B) One
C) Two
D) Five
E) Seven

Name: The zygote and early embryonic cells of female mammals have how many X chromosomes? A) Three B) One C) Two D) Five E) Seven
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Female mammals, including humans, have two X chromosomes. One X chromosome is inherited from the mother and the other from the father, making a total of two X chromosomes in the zygote and early embryonic cells.

The Zygote and Early Embryonic Cells of Female Mammals Have