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15 cards from this deck
Single set of chromosomes
Two complete sets of chromosomes
Identical DNA copies formed when DNA replicates
Region where chromatids remain joined
nnn
2n2n2n
Gametes (sex cells): eggs and sperm cells
23 chromosomes (n=23n = 23n=23)
Somatic (body) cells: muscle, nerve, skin cells
46 chromosomes (2n=462n = 462n=46)
Paired chromosomes in diploid cells, one from each parent
23 homologous pairs
Maintains number (diploid to diploid)
Reduces by half (diploid to haploid gametes)
Mitosis: 2 cells; Meiosis: 4 gametes
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