@shortstories
Chromosome Numbers:
- Humans have 46 chromosomes arranged in 23 pairs.
- Chimpanzees have 48 chromosomes.
https://pmc.ncbi.nlm.nih.gov/articles/PMC7488140/
Chromosome Fusion:
Evolutionary history shows that two ancestral ape chromosomes fused end-to-end to form a single large chromosome in humans, now known as human chromosome 2.
https://en.wikipedia.org/wiki/Chromosome_2
Shared Ancestry:
Other great apes—such as gorillas and orangutans—also retain the 48-chromosome count, matching the condition seen in chimpanzees.