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Humans have 23 pairs of chromosomes. In contrast, chimpanzees have 24 pairs of chromosomes and lack any pair resembling the long human chromosome 2 pair; instead, chimpanzees have two pairs of medium-sized chromosomes. What is the most likely explanation for these differences in:

Respuesta :

Answer: The common ancestor of humans and chimpanzees had 24 pairs of chromosomes, and at  some point in the human lineage, two chromosomes fused end to end, providing some selective advantage.

Explanation: Humans evolved in a different way due to external factors and at some point in the human lineage, two chromosomes blended giving humans a selective lead.

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