作业帮遗传学试题求解1.Which of the following diseases is a good example of locus heterogeneity?A.Prader-Willi syndrome B.Myotonic dystrophyC.Osteogenesis imperfecta D.Duchenne muscular dystrophyE.Hemophilia A2.Your patient is a 5-year-old girl who a
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遗传学试题求解1.Which of the following diseases is a good example of locus heterogeneity?A.Prader-Willi syndrome B.Myotonic dystrophyC.Osteogenesis imperfecta D.Duchenne muscular dystrophyE.Hemophilia A2.Your patient is a 5-year-old girl who a
遗传学试题求解
1.Which of the following diseases is a good example of locus heterogeneity?
A.Prader-Willi syndrome
B.Myotonic dystrophy
C.Osteogenesis imperfecta
D.Duchenne muscular dystrophy
E.Hemophilia A
2.Your patient is a 5-year-old girl who appears to have Duchenne muscular dystrophy.What is the most likely genetic explanation for this disease in a girl?
A.She has a 46,XY karyotype with sex reversal.
B.She has skewed（偏离的；倾斜的）X inactivation.
C.She has two independent DMD mutations.
D.She has a dominant negative mutation.
E.This diagnosis is impossible.
3.Which of the following properties would a single nucleotide polymorphism (SNP) have to be detected by Southern blot?
A.It must alter the encoded amino acid sequence
B.It must alter a splice site
C.It must alter a restriction site
D.It must be a nonsense mutation
E.It must alter the stability of the encoded mRNA
遗传学试题求解1.Which of the following diseases is a good example of locus heterogeneity?A.Prader-Willi syndrome B.Myotonic dystrophyC.Osteogenesis imperfecta D.Duchenne muscular dystrophyE.Hemophilia A2.Your patient is a 5-year-old girl who a
这个怎么是英文的?
又是zjuer，不会自己动脑子啊，，