In humans, having two eyebrows is a completely dominant trait. The recessive trait is
expressed as having a single connected eyebrow. If a two parents who are heterozygous for
the eyebrow trait had an offspring, what is the probability that their child would express the
dominant phenotype?

What do animals wth echolocation have in common other than echolocation

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.