Autosomal Recessive Inheritance
About the Lecture
The lecture Autosomal Recessive Inheritance by Georgina Cornwall, PhD is from the course Single-Gene Disorders.
Included Quiz Questions
Which of the following typically results in an autosomal recessive pattern of inheritance?
- Loss-of-function mutation
- Maternal genomic imprinting
- Paternal genomic imprinting
- Allelic compensation
- DNA hypermethylation
What is the probability of producing an affected offspring if one parent is homozygous for a recessive allele while the other is a carrier?
- 50%
- 0%
- 25%
- 75%
- 100%
What is the probability of producing an affected offspring if both parents are homozygous for the same recessive allele?
- 100%
- 0%
- 25%
- 50%
- 75%
Which of the following characteristics would be found in a newborn who inherited two mutant alleles that code for the CFTR channel?
- Thick respiratory mucus
- A toxic build-up of phenylalanine
- Decreased insulin secretion
- Abnormal storage of iron in liver cells
- Abnormal storage of copper in liver cells
Which disorder is characterized by the abnormal accumulation of iron in the body and shows an autosomal recessive inheritance pattern?
- Hemochromatosis
- Tay-Sachs
- Cystic fibrosis
- Albinism
- Phenylketonuria
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Author of lecture Autosomal Recessive Inheritance
Georgina Cornwall, PhD
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