Darren suffers from fragile bone X (FBX) disorder. He inherited the FBX allele from his father and the normal allele for bone development from his mother. What can we conclude?
a. FBX is a recessive allele.
b. FBX is a dominant allele.
c. Darren’s children will most likely suffer from FBX disorder.
d. Darren’s children are unlikely to suffer from FBX disorder.
ANSWER:
b
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