1. Sex Chromosomes

2. Sex Chromosomes Determines the sex of the individual
Female has two identical X chromosomes (XX)
Male has dissimilar chromosomes
One X and one Y (XY)

3. Autosomes Chromosomes that are not sex chromosomes
Have no effect on determining the sex of the individual
How many pairs of autosomes do humans have?

5. Sex Determination
Which parent is responsible for determining the sex of the offspring?
The father because he has both the X and the Y chromosomes

6. Genes on Sex Chromosomes
Genes located on sex chromosomes are sex-linked
What are some traits that are sex-linked?

7. Sex-Linked Traits
Colorblindness
Hemophilia
Muscular Dystrophy