Answer:
c) Both of the parents' genotype must have been Pp.
Explanation:
A plant breeder is trying to develop more purple colored violets. She knows the purple violets she has can be PP or Pp for the purple color. She crosses two purple violets. Of the four plants that result, one is white and three are purple. Obviously, the parents' genotype must have been Pp.
All of the above, select all
A eutrophic stream, river or lake occurs when too many nutrients, like nitrogen and phosphorous, are present, usually as a result of runoff from the surrounding land. Algae, plankton and other microorganisms love these types of nutrients, and when they are plentiful, these aquatic organisms can take over
The appropriate response is Toxicity. A toxic substance is a substance that can be toxic or cause wellbeing impacts. Individuals are for the most part worried about chemicals like polychlorinated biphenyls and dioxin which can be found at some perilous waste destinations. Any synthetic can be lethal or destructive under specific conditions.