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All children, regardless of whether they become male or female, will always inherit which sex chromosome from their mother?

Question
All children, regardless of whether they become male or female, will always inherit which sex chromosome from their mother?
A Y chromosome
An X chromosome
Either X or Y randomly from the mother
No chromosome from the mother
Answer
An X chromosome
Detailed Explanation
Since mothers are XX, all children inherit an X chromosome from their mother regardless of the child's eventual sex.
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