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As a small change in a person's dna can cause a genetic disorder
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Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
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Biology, 22.06.2019 14:30
Explain why scientists use the word dominant for certain traits.
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Amutation has occurred in the sequence in the promoter region of a bacterial gene, such that the seq...
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