Suppose your entire herd of cows is polled, what genotype(s) can your bulls have to guarantee that you never have a calf with horns? Is this possible? Hereford cattle can be naturally “polled,” which means they do not have horns. This trait is dominant (P) over cattle with horns (p).

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.