1. IncompleteDominance

2. Co-Dominance
Roan horse
Erminette Chicken

3. What is polygenic inheritance
What is polygenic inheritance? “poly” = several or many “genic” = genes Skin, Eye Color, Height, Weight

4. Sex-Linked Traits in Humans
Red-Green Color Blindness
Recessive allele on the X chromosome

5. XH Y XH XH XH Y XH Xh Y XH Xh Xh
In humans, hemophilia is a sex-linked trait.  Having hemophilia is recessive (Xh) to being normal (XH). The heterozygous female is called a carrier.  Cross a carrier female with a normal male. XH Y
male
__ XHXh __  X  __ XHY ___
XH XH
XH Y XH Xh
female
XH Xh
Xh Y