| A | B |
|---|
| synapsis | pairing up of homologous chromosomes |
| tetrad | 4 chromatids |
| mutation | genetic change |
| Mendel | father of heredity |
| Watson and Crick | co-discovers of DNA shape |
| double helix | shape of DNA molecule |
| meiosis | reduction division |
| mitosis | cell division |
| homologous | similar |
| nonhomologous | not similar |
| frameshift | occurs with a deletion or addition |
| nondisjunction | failure of chromosomes to separate correctly |
| translocation | exchange between nonhomologous chromosomes |
| cross over | exchange between homologous chromosomes |
| homozygous | identical gene pair |
| heterozygous | nonidnetical gene pair |
| gene | unit of DNA |
| deoxyribonucleic acid | DNA |
| ribonucleic acid | RNA |
| uracil | thymine's replacement in RNA |
| complementary | what adenine and thymine are |
| guanine | base partner of cytosine |
| transfer RNA | brings amino acids |
| messenger RNA | copies DNA message |
| transcription | process to make mRNA |
| translation | the reading of mRNA |
| protein synthesis | making proteins |
| ribosome | site of protein synthesis |
| nucleus | where DNA is found in the cell |
| karyotype | picture of chromosomes |
