Development of the reproductive system varies by organism's sex
Sex is determined by a combination of chromosomal, genetic, and hormonal factors
Chromosomal sex determination occurs at fertilization
Anomalies in chromosomal sex determination can result in aneuploidy
Chromosomes X and Y differ in size and gene content
Over 1400 genes are on chromosome X, encoding functions for both sexes
Mutations in X-linked genes are more common in males
X-linked mutations from the mother affect sons more than daughters
X-linked inheritance is associated with disorders such as hemophilia and color blindness
The text provides a link to a map of human chromosomes.

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