Asked by Krishanvir Dhami on May 02, 2024
Verified
Which genetic disorder is caused by having three chromosomes 21?
A) Albinism
B) Sickle cell disease
C) Hemophilia
D) Down syndrome
E) Achondroplasia
Chromosomes 21
One of the 23 pairs of chromosomes in humans; an abnormality in the number of chromosome 21 leads to Down syndrome.
Genetic Disorder
A disease or condition caused by an abnormality in an individual's DNA, ranging from small mutations to large chromosomal changes.
- Pinpoint and explain genetic abnormalities and their pathways of transmission.
Verified Answer
AM
Armando Moreno PenaMay 05, 2024
Final Answer :
D
Explanation :
Down syndrome is caused by having an extra copy of chromosome 21, which means individuals with Down syndrome have three copies of this chromosome instead of the usual two.
Learning Objectives
- Pinpoint and explain genetic abnormalities and their pathways of transmission.