Women with Neandertal gene give birth to more children

One in three women in Europe inherited the receptor for progesterone from Neandertals—a gene variant associated with increased fertility, fewer bleedings during early pregnancy and fewer miscarriages. This is according ...

Researchers map the evolution of dog breeds

When people migrate, Canis familiaris travels with them. Piecing together the details of those migrations has proved difficult because the clues are scattered across the genomes of hundreds of dog breeds. However, in a study ...

Did last ice age affect breastfeeding in Native Americans?

The critical role that breast feeding plays in infant survival may have led, during the last ice age, to a common genetic mutation in East Asians and Native Americans that also, surprisingly, affects the shape of their teeth.

Lingering effects of Neanderthal DNA found in modern humans

Recent scientific discoveries have shown that Neanderthal genes comprise some 1 to 4% of the genome of present-day humans whose ancestors migrated out of Africa, but the question remained open on how much those genes are ...

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