Blood type is an example of which one? -Principle Of Dominance

-Codominance

-Incomplete Dominance

Surrounded by microtubules, located near the nucleus. (don't try to google it) (give answer only if u know)

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

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.