The human sex chromosomes are a typical pair of allosomes. The X chromosome is present in the ovum, while either X or Y chromosomes can be present in sperm.
Source: wiktionary
Ranked by relevance and common usage.
1 total sentences available.
The human sex chromosomes are a typical pair of allosomes. The X chromosome is present in the ovum, while either X or Y chromosomes can be present in sperm.
Source: wiktionary