Regarding the evidence for Human-Neanderthal admixture events, all are true EXCEPT:
A) admixture events between humans and Neanderthals occurred 100,000 years ago
B) new HLA alleles allowed humans to better survive in their environments
C) Neanderthal DNA determines the amount of body hair an individual will produce
D) HLA alleles from Neanderthals have undergone strong positive selection in modern human populations