In the following pedigree, the indicated trait is caused by which type of allele?
A)autosomal recessive
B)autosomal dominant
C)X-linked recessive
D)X-linked dominant
E)Y-linked

Question

In the following pedigree, the indicated trait is caused by which type of allele? 
A)autosomal recessive 
B)autosomal dominant 
C)X-linked recessive 
D)X-linked dominant 
E)Y-linked

Quizplus · Accepted Answer

The indicated trait is only present in males, and is not passed from affected males to their sons. This is characteristic of X-linked recessive inheritance.

In the Following Pedigree, the Indicated Trait Is Caused by Which