| A | B |
|---|
| Characteristics inherited from parents | traits |
| name a physical trait that can be inherited | height |
| name a chemical trait that can be inherited | synthesis of specific enzymes |
| The building Blocks of DNA | nucleotide |
| A nucleotide contains one phosphate one sugar and one _____ | base |
| base pair rule | GCAT |
| DNA must _____ before a cell can divide | replicate |
| DNA is the instructions to make a specific _____ | protein |
| Matching genes that may vary | alleles |
| If two alleles are both dominant they are _______ zygous dominant | homozygous |
| If two alleles for a trait are different the person is _______for that trait | heterozygous |
| If two recessive alleles are present the person will express the ______ trait | recessive |
| Chromosomes contain thousands of ______ which are made up of DNA | genes |
| DNA code is a combination of four molecular ______ | bases |
