human chromosome 2 ancestral chromosome fusion great apes

Two ancient chromosomes fused to make human chromosome 2

Humans have 46 chromosomes, while other great apes have 48. The difference comes from two chromosomes in our ancestors joining together. Their fused remains form human chromosome 2.

Brain damage can make someone deny that they are paralyzed

Damage to the right side of the brain can make a person ignore the left side of the world. In some cases, the person may even deny that the left side of their own body is paralyzed.

Erosion explained marks on Mohenjo-daro skulls

Mohenjo-daro was an Indus city. Skeletons found there were once used to support an invasion theory, but they dated to after the city was abandoned. Later examination traced skull marks to erosion, not violence, so the evidence does not support the claim that Cemetery H people destroyed Harappan cities.

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human chromosome 2 ancestral chromosome fusion great apes

Two ancient chromosomes fused to make human chromosome 2

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