Asked by Gabby Homant on Jul 27, 2024
Verified
What is the approximate rate of occurrence of males who have an extra Y chromosome, resulting in the configuration XYY?
A) Zero, because this disorder affects females only
B) One in 50 to 70
C) One in 700 to 1,000
D) One in 3
Extra Y Chromosome
Having an extra Y chromosome is a genetic condition in males, known as XYY syndrome, which may be associated with tall stature and learning difficulties but most individuals lead normal lives.
Rate Of Occurrence
The frequency at which a particular event or phenomenon happens within a specified interval of time.
- Pinpoint the particularities and frequency of certain sex-linked and chromosomal abnormalities.
Verified Answer
SU
Steven UnderwoodAug 01, 2024
Final Answer :
C
Explanation :
The approximate rate of occurrence of males with an extra Y chromosome (XYY syndrome) is about one in 700 to 1,000 male births. This genetic condition affects only males and is not as rare as some other chromosomal abnormalities.
Learning Objectives
- Pinpoint the particularities and frequency of certain sex-linked and chromosomal abnormalities.