What are the main pollutants that contribute to hypoxia in water? a. organic chemicals b. infectious agents c. plant nutrients d. metals

Give an example of a trait that is controlled by more than one gene.

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)

Which enzyme is responsible for “unzipping" the dna by breaking the hydrogen bonds between the nucleotides?