Which chromosome pair is referred to as the 'sex chromosomes' in the human chromosome set?
Question
Which chromosome pair is referred to as the 'sex chromosomes' in the human chromosome set?
The 1st pair
The 22nd pair only, always matched
The odd pair that may not always match (X and X, or X and Y)
There is no such distinct pair in humans
Answer
The odd pair that may not always match (X and X, or X and Y)
Detailed Explanation
The chapter identifies the sex chromosomes as the one pair (out of 23) that may not always be a perfectly matched pair, being XX in females and XY in males.