X Chromosome

The X chromosome is a sex chromosome present in both men and women. Women have two X chromosomes, while men have only one. Genes responsible for the development of serious genetic diseases such as hemophilia are localized on the X chromosomes. These genes are sex-linked.

Unlike the X chromosome, the Y chromosome is present only in males and carries the genes that determine male sex. Women do not have a Y chromosome.

Thus, the presence or absence of the Y chromosome determines a person’s gender. The X chromosome is present in both men and women, but in different quantities.



The X chromosome is one of the sex chromosomes, present in both men and women. Women normally have two X chromosomes, while men have only one.

The X chromosome contains genes responsible for the development of serious genetic diseases such as hemophilia. These genes are sex-linked, that is, they are inherited along with the sex chromosomes.

Unlike the X chromosome, the Y chromosome is present only in males and determines the development of male sexual characteristics.

Thus, the X chromosome plays an important role in sex determination and the development of some sex-linked hereditary diseases. Its presence in a double set in women and in a single set in men is one of the key differences in the structure of male and female reproductive cells.



The X chromosome is one of two sex chromosomes present in every person. It has unique features that distinguish it from the Y chromosome, also present in humans. The X chromosome represents two different types of chromosomal groups called heterochromatin, while