The true statement of Y chromosomes is option A. Only men have them.
What are Y chromosomes?
- In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes.
- Y chromosome is a sex chromosome that is normally present only in male cells, which are designated XY.
- Most human cells contain 23 pairs of chromosomes.
- One set of chromosomes comes from the mother, while the other comes from the father.
- The twenty-third pair is called the sex chromosomes, while the rest of the 22 pairs are called autosomes.
- Typically, biologically male individuals have one X and one Y chromosome (XY) while those who are biologically female have two X chromosomes.
Hence, the true statement is option. A.
To learn more about Y chromosomes, refer to: https://brainly.com/question/14451187
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