What is the X chromosome?
Q: What is the X chromosome?
A: The X chromosome is one of the two sex chromosomes in mammals that determines the sex of an individual.
Q: What other sex chromosome is there besides the X chromosome?
A: The other sex chromosome is the Y chromosome.
Q: How many X chromosomes do females have?
A: Females have two X chromosomes.
Q: How many X chromosomes do males have?
A: Males have one X and one Y chromosome.
Q: What does an egg carry?
A: An egg always carries a single X chromosome.
Q: What do sperms carry?
A: Sperms carry either an X or a Y chromosome.
Q: What is X-inactivation?
A: X-inactivation is a process that occurs during early development where one of the X chromosomes in each cell randomly deactivates, which causes different parts of the body to express different X-linked genes.
