Lecture.12.Fall.2013

C pedigrees of x linked recessive traits will have

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Unformatted text preview: trait for his son to get the trait. c. Pedigrees of X-linked recessive traits will have equal frequencies of affected males and females, whereas pedigrees of autosomal recessive traits will show mostly affected males. d. All of the above are correct. Question 3 The pedigree of an autosomal recessive trait differs from the pedigree of an X-linked recessive trait for all of the following reasons except: a. Both parents must be carriers to have children with autosomal recessive traits, whereas a mother carrying an X-linked trait can have affected sons regardless of the genotype of the father. This is true. For autosomal recessive traits, both parents must be carriers for a child to inherit the disease, while only the mother must be a carrier of an X-linked trait. Question 3 The pedigree of an autosomal recessive trait differs from the pedigree of an X-linked recessive trait for all of the following reasons except: b. An X-linked trait is never passed from the father to his sons, whereas the father must at least carry an autosomal recessive tr...
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