The result of a sperm fertilizing an egg is called a ____

Instead of getting into physical fights when they want to intimidate one another, adolescents sometimes spread vicious rumours to destroy the reputation of another student. These behaviours are an example of

A) extreme prejudice. B) assertiveness. C) instrumental aggression. D) antisocial behaviour E) hostile aggression.

If a pair of alleles contains two recessive genes, then the pair is __________

a. dominant b. recessive c. heterozygous d. homozygous