| A | B |
|---|
| Homozygous Recessive | a pair of alleles that codes for the recessive gene |
| Heterozygous | a dominant and recessive gene. The dominant trait is shown |
| Test Cross | Used to find out the genotype of an organism that shows the dominant trait |
| Genotype | the gene make-up of an organism |
| Phenotype | the physical features of an organism |
| Multiple Alleles | 3 or more alleles responsible for a trait |
| Sex-Linked genes | genes located on the X chromosome |
| Hemophilia | sex-linked disease |
| Mendel | The Father of Genetics |
| Blood Type | controlled by multiple alleles |
