What is the probability of a homozygous a blood type mom and a heterozygous b blood type dad having an o blood type offspring?

What type of genetic drift would be simulated if all the beans that were not selected died out?

18. over time, how do sand dunes tend to migrate? a. perpendicular to the movement of the wind b. in the same direction as the wind blows c. toward the wind d. in random directions

Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb. a. 0% b. 25% c. 50% d. 75% e. 100%