Alleles
- sickle cell - codominant recessive
- colorblind - recessive sex-linked trait
- Duchenne Muscular Dystrophy - recessive sex-linked trait
- hemophilia - recessive sex-linked trait
- blood type - multiple alleles
- hypophosphatemia - dominant sex-linked
- dihybrid heterozygous ratio - 9:3:3:1
- monohybrid heterozygous ratio - 3:1