When does the pyramid of numbers reverse its orientation and is represented as an upside triangle? *

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

In general, did the simulated mice align with your predictions from the punnett squares? yes or no?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.