To most humans, the chemical PTC tastes very bitter. The ability to taste it is a dominant trait. People who can’t taste PTC exhibit the recessive trait. Which genotype represents people who can’t taste the chemical?

Hybrid instruments that play sounds that are part sampled and part synthesized are known as:

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.

What kinds of foods are high in lipids?