A dog breeder has a brown haired dog (Bb) and a white haired dog (bb). If she breeds these dogs, and the mother has a litter of 8 pups, how many should have white fur?

4 of the 8 pups should have white hair.

Explanation:

for a litter of 4 pups there is a 50% chance of white hair vs brown hair.

4

Explanation: white hair is recessive

Bb x bb —> Bb:bb = 1:1

that scientist would be robert hooke