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Which of the following is NOT a contributor to genetic variation?

In domesticated sheep, their somatic cells have a total of 54 chromosomes. How many separate chromosomes are present in the new daughter cells, after meiosis II, in the ovary of the sheep?

Refer to the figure: What trend is apparent in this graph of actual global temperatures?

In domesticated sheep, their somatic cells have a total of 54 chromosomes. How many separate chromosomes are present in the new daughter cells, after meiosis II, in the ovary of the sheep?

Extra Credit +2 points (instructor graded): If Erin wants to use an unsaturated fat to make a stir fry, which fat should Sam suggest?

Which is the strongest, most stable type of chemical bond?

Why is Zika transmission a cause for concern?

During the nineteenth century, sea otters were hunted almost to extinction. When the number of sea otters became very low, the ecosystem of kelp bed “forests” was also disappearing. The sea otters were predators of sea urchins, which were, in turn, predators of the kelp. When sea otters declined, the sea urchin populations grew, destroying the kelp ecosystem and the many species that depended on it. What role did sea otters perform in this ecosystem?

The coyote is an herbivore as well as a carnivore.

DNA replication, the duplication of a DNA molecule __________________________.