A new analysis of the genomes of three representatives of Homo neanderthalensis showed that they also had blood types. Before
Analysis of Neanderthal genomes helpedresearchers suggest why the Neanderthals became extinct. Thus, a large number of common alleles were found in the archaic genomes of Homo neanderthalensis, indicating little genetic diversity. For example, scientists have discovered a large number of common alleles in genomes. This suggests that Neanderthals and Denisovans had low genetic diversity. Most likely it is associated with inbreeding - a form of homogamy when closely related forms are crossed within the same population of organisms.
For example, genetics of Neanderthals could leadto frequent cases of hemolytic disease of the newborn - a disease resulting from the incompatibility of the blood of the mother and the child for some antigens. In this disease, the mother's immune system attacks the blood cells of her fetus.
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