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OLEGan [10]
3 years ago
11

Which is an example of artificial selection

Biology
2 answers:
vekshin13 years ago
8 0

A. A farmer crosses two kinds of corn. He produces a new, better tasting type of corn.

masya89 [10]3 years ago
8 0
The answer is letter A.
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Most plant leaves contain yellow and orange carotenoids as well as green chlorophylls. Why then are most leaves greenish
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Because the leaves contain a greater concentration of green chlorophylls than yellow and orange carotenoids.

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2 years ago
A)Exons 2 and 3 must have the same number of nucleotides. B)Exons 2 and 3 must contain an integral number of codons (that is, th
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Statement C is the only one that is necessarily true for exons 2 and 3. It is also true for exons 7 and 8. While statements A and B could be true, they don’thave to be. Because the protein sequence is the same in segments of the mRNA that correspond to exons 1 and 10, neither choice of alternative exons (2 versus 3, or 7 versus 8) can alter the reading frame. To maintain the normal reading frame—whatever that is—the alternative exons must have a number of nucleotides that when divided by 3 (the number of nucleotides in a codon) give the same remainder. Since the sequence of the a-tropomyosin gene is known, it is possible to check to see the actual state of affairs. Exons 2 and 3 both contain the same number of nucleotides, 126, which is divisible by 3 with no remainder.

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Revolution of earth around the sun

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