Which of the following is an example of a chromosomal abnormality that occurs when whole chromosomes do not separate properly during meiosis?
A) Down syndrome
B) hemophilia
C) Huntington's disease
D) sickle-cell anemia

Question

Quizplus · Accepted Answer

Down syndrome is caused by trisomy 21, which occurs when there is an extra copy of chromosome 21. This happens when the chromosomes fail to separate properly during meiosis.

Which of the Following Is an Example of a Chromosomal