Chromosome 23

Chapters

1. 00:00CHROMOSOME 23
2. 00:02The 23rd pair of chromosomes, the sex chromosomes, determine whether a person is male or female
3. 00:09The letters x and y refer to sex chromosomes
4. 00:15XX = Female; XY = Male
5. 00:20Eggs from females always carry the X chromosome
6. 00:26Sperm cells from males can carry either an X chromosome or a Y chromosome
7. 00:32Sperm cells from males can carry either an X chromosome or a Y chromosome
8. 00:39The genes for some traits are carried on the 23rd chromosome
9. 00:45These genes are frequently called "sex-linked genes" because their alleles are passed from parent to child on the sex chromosome
10. 00:54Chapter 10