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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 |