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Chapter 5.2, 8.3, 6
Science
| Term | Definition |
|---|---|
| Chromosome | one long, continuous thread of DNA |
| histones | a group of proteins that DNA wraps around for compact purpose |
| chromatin | the loose combination of DNA |
| chromatid | one half of a duplicated chromosome |
| centromere | sister chromatids are held here |
| Nucleotide | small units that make up DNA |
| Double Helix | two strands of DNA wind around each other like a twisted ladder |
| Base pairing rules | T to A, C to T |
| Somatic Cells | also known as body cells, make up most of your body tissues and organs |
| Gametes | also known as sex cells, ova, or eggs, in the female and spermatoza, or sperm cells, in the male |
| Homologous Chromosome | two chromosomes, inherited by each parent, that have the same length and general appearance |
| Autosomes | chromosomes that contain genes for characteristics not directly related to the sex of an organism |
| Sex chromosome | chromosomes that directly control the devopment of sexual characteristics |