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Главную роль исполняет Любовь Орлова

Multiple species of finches on the Galapagos are thought to have originated from one original founding population.  This is a result of _____.

In pea plants, yellow seed pods are dominant to green seed pods. A plant with yellow seed pods is crossed with a plant with green seed pods. About 25% of the offspring have green seed pods.  This is an example of: 

Two populations become separated from one another following a flood.  Over time, they adapt to their specific environments.  When brought back together, the two groups do not interbreed.  This is an example of _____ speciation.

True or False: “Knockout” organisms can be used to determine the trait controlled by a gene.

The measure of an organism’s ability to survive and reproduce is its _____.

Joe has a recessive X-linked trait.  Which of his children will be carriers of that trait?

True or False: Proto-oncogenes serve as “roadblocks,” or negative regulators of the cell cycle.