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Hemophilia is caused by a(n) a. recessive allele on the X chromosome. b. extra chromosome. c. dominant allele. d. codominant allele.

User Angelene
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2 Answers

4 votes

Answer:

think its a

Step-by-step explanation:

User Kaelan Fouwels
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2 votes
the answer has to be A
User Robert Gabriel
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