Two populations of fruit flies live in the same California valley. One population of flies lays eggs in California poppies that bloom in May while the other population breeds on purple asters that bloom in August. What type of reproductive isolation would you say is at work here?

Fredrick griffith made a scientific discovery in 1928

What do we call the process when two dominant alleles are expressed and do not blend? a. incomplete dominance b. codominance c. multiple alleles

Which of the following statements about polysaccharides are correct? choose all that apply. cellulose is a linear, unbranched polymer of glucose monomers. starch is typically more highly branched than glycogen. cellulose is a major component of both plant and animal cells. glycogen is a storage form of glucose in animal cells. glycogen is the most abundant organic compound on earth. starch and cellulose are found in plants.