Saba E. answered • 12/01/20
Tutor
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UCLA Master's Grad Specializing in Biology/Experienced TA
Biological males are individuals whose 23rd pair of chromosomes is composed of XY. Biological females have XX chromosomes as their 23rd pair. For males, the X comes from mom and the Y comes from dad. If we are talking about the word "male" in general, it refers to one's gender, which does not always match biological sex.
