Asked by valentinejr ayika on Jul 17, 2024
Verified
Which disorder is characterized by a lack of the protein dystrophin?
A) hemophilia
B) color-blindness
C) muscular dystrophy
D) Down syndrome
E) cystic fibrosis
Dystrophin
A protein involved in maintaining the integrity of muscle cells, with mutations in its gene leading to muscular dystrophies.
Muscular Dystrophy
A group of genetic diseases characterized by progressive weakness and degeneration of the skeletal muscles.
Protein Lack
A nutritional deficiency state where there is an inadequate intake of proteins, leading to health issues such as muscle wasting and immune system dysfunction.
- Determine the genetic foundation underlying chromosomal anomalies like Down syndrome and Turner syndrome.
Verified Answer
CE
Carina EdwardsJul 23, 2024
Final Answer :
C
Explanation :
Muscular dystrophy is characterized by a lack of the protein dystrophin, which is necessary for maintaining the structure and function of muscle fibers. Hemophilia is caused by a deficiency in blood clotting factors, color-blindness is caused by a genetic mutation affecting cone cells in the eye, Down syndrome is caused by an extra copy of chromosome 21, and cystic fibrosis is caused by a mutation affecting the CFTR gene, which is responsible for regulating the transport of salt and water in and out of cells.
Learning Objectives
- Determine the genetic foundation underlying chromosomal anomalies like Down syndrome and Turner syndrome.