Sex-Linked Genes Video Lessons

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Problem: Joe has classic hemophilia, an X-linked recessive disease. From which of the following people could Joe have inherited the gene for this disease? Select the answer that is most correct. There is only one answer.a. His mother's motherb. His mother's fatherc. His father's motherd. His father's fathere. a and b onlyf. c and d onlyg. all of the above

FREE Expert Solution

X-linked Recessive: linked to the X chromosome

: for males, inherited from the mother (since X chromosome comes from the mother while Y chromosome comes from the father)

: for females, must inherit the defect from both parents

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Problem Details

Joe has classic hemophilia, an X-linked recessive disease. From which of the following people could Joe have inherited the gene for this disease? Select the answer that is most correct. There is only one answer.

a. His mother's mother
b. His mother's father
c. His father's mother
d. His father's father
e. a and b only
f. c and d only
g. all of the above

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