Acertain segment of dna can be used as a molecular clock. its rate of mutation is one mutation per 15 million years. examine the dna segments from two different species: species a: gttgagctagtatggacc species b: gataagctagtaaggtca using this example, explain how this information can be used to determine how long ago these two species shared a common ancestor.
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Draw the structure of dna nucleotide with adenine as nitrogenous base
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Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs
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The largest unit within which gene flow can readily occur is a
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Acertain segment of dna can be used as a molecular clock. its rate of mutation is one mutation per 1...
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