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Cells that contain two copies of each gene are said to be ha…

Cells that contain two copies of each gene are said to be haploid, and those that contain one copy of each gene are said to be diploid.

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The stage of mitosis characterized by the physical separatio…

The stage of mitosis characterized by the physical separation of sister chromatids is called Metaphase.

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Which of the following barriers is a pre-zygotic barrier?

Which of the following barriers is a pre-zygotic barrier?

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When investment in parenting is not the same between males a…

When investment in parenting is not the same between males and females, how do the two sexes generally achieve higher fitness?

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In the polygyny threshold model, a female will choose a male…

In the polygyny threshold model, a female will choose a male who is already mated (male A) over a male who is not mated (male B) when

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The merging of two haploid cells from different individuals…

The merging of two haploid cells from different individuals to form a diploid cell is best characterized as

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He wrote the parable of the cave, in this story he developed…

He wrote the parable of the cave, in this story he developed the idea of the ‘eidos’ or the perfect forms.

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Sometimes, when Mendel crossed two purple-flowered pea plant…

Sometimes, when Mendel crossed two purple-flowered pea plants with each other, he obtained a phenotypic ratio of 3:1 (purple-flowered pea plants to white-flowered pea plants). These results are consistent with which of the following sets of parents?

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Daphnia (water fleas) usually reproduce asexually by cloning…

Daphnia (water fleas) usually reproduce asexually by cloning. What causes individuals to switch to sexual reproduction?

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Mendel’s experimental design in which he grew pea plants wit…

Mendel’s experimental design in which he grew pea plants with diverse traits included which of the following methodologies?  

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