Autosomal dominant inheritance occurs when an abnormal gene pair ...

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Autosomal dominant inheritance occurs when an abnormal gene pair dominates the inheritance pattern and children have a 50 chance of being affected. An example of an autosomal dominant disorder would be:
 
  A) Huntington's disease C) Phenylketonuria
  B) Sickle cell disease D) Cystic fibrosis

Question 2

Trisomies are the product of the union of a normal ovum and sperm with a gamete that contains an extra chromosome. An infant born with Down syndrome would have which of the following karyotypes?
 
  A) 46 chromosomes, 3 copies of chromosome 18
  B) 48 chromosomes, 2 copies of chromosome 13
  C) 47 chromosomes, 3 copies of chromosome 21
  D) 46 chromosomes, 1 copy of chromosome XXY

[amanda_14]

Answer to Question 1

A

Answer to Question 2

C

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Excellent

[JaynaD87]

TYSM