| A | B |
|---|
| homozygous | having two like genes for the same trait |
| heterozygous | having two unlike genes for the same trait |
| recessive gene | gene of a trait that is hidden when the dominant gene is present |
| dominant gene | stronger gene whose trait shows itself |
| incomplete dominance | Alleles (genes) from both parents are blended |
| codominance | where both alleles of a gene are expressed |
| gamete | a reproductive cell |
| meisosis | cell division that makes gametes |
| egg and sperm cell | 2 kinds of gametes |
| DNA | A large molecule contained in chromosomes (looks like a twisted ladder) |
| replication | How DNA is duplicated (x2) |
