Which genetic concept is best illustrated by these examples? Each answer should

Question

Which genetic concept is best illustrated by these examples? Each answer should be at most 2 words.
A. Members of a support group for Marfan syndrome all suffer from the same genetic disease but differ significantly in the severity of their symptoms.
B. Individuals with cystic fibrosis all have defects in a single gene but exhibit a wide range of disease phenotypes, including alterations in the lungs, digestive tract, and skin, and reduced male fertility.

C. A brother and a sister inherit the same dominant mutation associated with Brachyddactyly from their father. The sister appears normal while the brother exhibits the disease symptoms found in the father.

Which genetic concept is best illustrated by these examples? Each answer should be at most 2 words.
A. Members of a support group for Marfan syndrome all suffer from the same genetic disease but differ significantly in the severity of their symptoms.
B. Individuals with cystic fibrosis all have defects in a single gene but exhibit a wide range of disease phenotypes, including alterations in the lungs, digestive tract, and skin, and reduced male fertility.

C. A brother and a sister inherit the same dominant mutation associated with Brachyddactyly from their father. The sister appears normal while the brother exhibits the disease symptoms found in the father.


A. Members of a support group for Marfan syndrome all suffer from the same genetic disease but differ significantly in the severity of their symptoms.
B. Individuals with cystic fibrosis all have defects in a single gene but exhibit a wide range of disease phenotypes, including alterations in the lungs, digestive tract, and skin, and reduced male fertility.

C. A brother and a sister inherit the same dominant mutation associated with Brachyddactyly from their father. The sister appears normal while the brother exhibits the disease symptoms found in the father.

Explanation / Answer

Members of a support group for Marfan syndrome all suffer from the same genetic disease but differ significantly in the severity of their symptoms. This involved in genetic mutation - autosomal genetic disorder.

This involved in genetic mutation Cystic fibrosis is the most common lethal autosomal recessive genetic disorder.Cystic Fibrosis is an autosomal recessive disorder caused by mutations in the gene encoding the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) protein

A brother and a sister inherit the same dominant mutation associated with Brachyddactyly from their father. The sister appears normal while the brother exhibits the disease symptoms found in the father. Pedigree Analaysis

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