As Ashley cares for her son, she notices some problems in his development. During one of the baby’s checkups, Ashley voices her concerns to the pediatrician. The pediatrician performs a series of assessments on the baby and orders a genetic workup. The genetic test results demonstrate that the baby has Duchenne muscular dystrophy, which is an X-linked recessive trait. Based on your knowledge of heredity, if the baby boy has Duchenne muscular dystrophy, then what else must be true? a. The baby’s father is a carrier of the Duchenne muscular dystrophy allele and passed along this trait to the baby. b. Duchenne muscular dystrophy is an autosomal-dominant disorder. c. Ashley is a carrier of the Duchenne muscular dystrophy allele but does not display symptoms because she has two X chromosomes, one of which is normal. d. If Ashley had a baby girl (instead of a baby boy), the baby girl would be at equal risk for having Duchenne muscular dystrophy.
As Ashley cares for her son, she notices some problems in his development. During one of the baby’s checkups, Ashley voices her concerns to the pediatrician. The pediatrician performs a series of assessments on the baby and orders a genetic workup. The genetic test results demonstrate that the baby has Duchenne muscular dystrophy, which is an X-linked recessive trait. Based on your knowledge of heredity, if the baby boy has Duchenne muscular dystrophy, then what else must be true? a. The baby’s father is a carrier of the Duchenne muscular dystrophy allele and passed along this trait to the baby. b. Duchenne muscular dystrophy is an autosomal-dominant disorder. c. Ashley is a carrier of the Duchenne muscular dystrophy allele but does not display symptoms because she has two X chromosomes, one of which is normal. d. If Ashley had a baby girl (instead of a baby boy), the baby girl would be at equal risk for having Duchenne muscular dystrophy.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps