6.1 Chromosomes and Meiosis
6.1 Chromosomes and Meiosis
6.1 Chromosomes and Meiosis
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<strong>6.1</strong> <strong>Chromosomes</strong> <strong>and</strong> <strong>Meiosis</strong>Your cells have autosomes <strong>and</strong> sex chromosomes.• Your body cells have 23 pairsof chromosomes.– Homologous pairs ofchromosomes have thesame structure.– For each homologous pair,one chromosome comesfrom each parent.• Chromosome pairs 1-22 areautosomes.• Sex chromosomes, X <strong>and</strong> Y,determine gender in mammals.
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