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Anthro 4-3 - Replication DNA replicates itself Enzyme...

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Replication- DNA replicates itself Enzyme- breaks DNA apart Protein- make up tissue, control cellular function Amino acids= protein Mutation- change in a base (substitution, addition, or deletion), or at chromosome level Chromosomes= bundle of DNA -Cromatin= loose, uncoiled DNA during interphase - have two strands, each an exact copy of the other - joined by a centromere - telemeres at either end. - pairs are homologous - Locus- position on a chromosome where a particular gene is found -Alleles- alternate form of a gene -alternate DNA - 2 types of Chromosomes - Autosomes- Govern all physical characteristics - Except sex determination - Sex Chromosomes- X and Y chromosomes - Determines sex - There are (somantic) 22 pairs of autosomes, 1 pair of sex chromosomes - For a total of 23 pairs or 46 individual chromosomes Cells of the body= Somantic – Autosomes and sex chromosomes = Sex- Autosomes and sex chromosomes Cell Division -Two Types - Mitosis - Meiosis - All cell division begins in interphase with loose, disorganized chromatin
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