How Many Chromosomes???? Species Specific Chromosomes Chromosomes -­‐ Different Species • 
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Bat – 44 Alligator – 32 Chicken – 78 Apple – 34 Cat -­‐ 38 Dog -­‐ 78 Cow -­‐ 60 Horse – 64 Donkey – 62 Chimpanzee – 48 Humans -­‐ 46