Scientists assert finger length and sexual promiscuity linked in human ancestors

a

Recent research out of the United Kingdom has made the claim that Neanderthals had more sexual partners than modern humans.

a) True

b) False

c

The scientists that are asserting that Neanderthals had more sexual partners than humans are basing this claim on the fact that ....

a. Neanderthals had larger testicles than humans

b. There was a greater degree of body dimorphism between male and female Neanderthals compared to humans

c. Neanderthals had a lower 2D:4D ratio.

d. There was a greater degree of incest amongst Neanderthals than there was in humans

d

Which great ape has the highest 2D:4D ratio?

a. Gorillas

b. Chimpanzees

c. Orangutans

d. Humans

b

Species with a low 2D:4D ratio tend to be .....

a) monogamous

b) polygamous

a

Species with a high 2D:4D ratio tend to be .....

a) monogamous

b) polygamous