For each clinical syndrome below, select the corresponding chromosomal abnormality from the list provided.
-Cri du chat

Question

Quizplus · Accepted Answer

Cri du chat (or 5p- syndrome) is caused by a deletion on the short arm of chromosome 5.

Answer: B
 Down syndrome is caused by nondisjunction (failure of separated chromosome pairs to move to opposite poles) of chromosome 21 during meiosis, resulting in an extra copy of chromosome 21 in the offspring.

Answer: A
 This description is not specific enough to identify a particular chromosomal abnormality.

Answer: C
 This description is not specific enough to identify a particular chromosomal abnormality.

Answer: E
 Klinefelter syndrome is caused by the presence of an extra X chromosome in a male, resulting in a karyotype of 47,XXY.

For Each Clinical Syndrome Below, Select the Corresponding Chromosomal Abnormality