DNA Research #DNA Passing X-chromosome #dna

Gary Mokotoff <mokotoff@...>

A mother passes one of her two X chromosomes to her sons. She got one of
these two chromosomes >from her father and the other >from her mother.

Which of the two X chromosomes did she pass on to her sons? Her mother's?
Her father's? Or is it random?

Gary Mokotoff

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