
Chromosome 2
Chromosome 2 is one of the more fascinating chapters in human evolution.
Here’s the short, clear version:
Humans have 23 pairs of chromosomes, but our closest relatives (chimps, gorillas, orangutans) have 24. the reason is that, somewhere in our lineage, two ancestral ape chromosomes fused end-to-end, creating what we now call human chromosome 2.
Scientists can see the evidence right there, in the DNA: Continue reading










