AP BIOLOGY

HEREDITY

THE PEDIGREE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Hemophilia is caused by a sex-linked allele on the X chromosome?
A
True
B
False
Explanation: 

Detailed explanation-1: -Hemophilia is a sex-linked recessive disorder. The abnormal gene responsible for hemophilia is carried on the X chromosome. Males have one X chromosome and one Y chromosome.

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