Question

D) The Worms are undergoing Hardy-wellnberg eqummorum 10.) Comparisons of Neanderthal DNA revealed that there are more similarities to non-African DNA than reference sequences from West Africans. Additionally, scientists found that Neanderthal DNA is as closely related to East Asians as to Europeans. This indicates that interbreeding occurred before human migration further east. What process of population genetics generated these results? A) gene flow B) adaptive evolution C) gene drift D) nonrandom mating 11.) Homozygotes with two sickle-cell alleles are selected against because of mortality (they die). However, heterozy gotes for sickle- cell allele experience slight effects of the sickle allele and are more likely to survive malaria. The net effect of this exposure produced evolutionary change in areas where malaria is endemic by A) causing sickle-cell allele B) increasing sickle-cell allele frequency C) distortion of red blood cells D) increasing the number of infected mosquitoes

Answer 1

10. It shows the presence of gene flow from human genome to Neanderthal genome which gives light to the fact that early migration of humans did in fact leave Africa before the population that survived and gave rise to all contemporary non-African modern humans.

11. Due to distortion of red blood cells, there is protection provided against malaria due to which the faulty gene coding for sickle cell persists.