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Multiple Choice
In humans, which parent determines the gender of the offspring through sex-linked inheritance?
A
Neither parent
B
Father
C
Both parents equally
D
Mother
Verified step by step guidance
1
Understand that in humans, sex is determined by the combination of sex chromosomes: X and Y.
Recognize that females have two X chromosomes (XX) and males have one X and one Y chromosome (XY).
During reproduction, the mother can only pass on an X chromosome to the offspring, as she has two X chromosomes.
The father can pass on either an X or a Y chromosome, as he has one of each.
If the father passes on an X chromosome, the offspring will be female (XX). If he passes on a Y chromosome, the offspring will be male (XY). Therefore, the father determines the gender of the offspring.