The plasma membrane of the cell breaks down ?

Why do you think the puppy litter was all dark-haired?

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Can a trait be both polygenic and have multiple alleles? explain why or why not.