An allele whos characteristic appears in the phenotype even when theres only one copy?
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Card 18
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An allele whos characteristic appears in the phenotype only when 2 copies are present?
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Card 19
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Alleles that are both expressed in the phenotype?
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Card 20
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An organism that carries 2 copies of the same allele
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Card 21
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An organism that carries 2 different alleles
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Card 22
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The Definition for Birth rate is?
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Card 23
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The Definition for Death rate is?
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Card 24
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____________ is where individuals with alleles for characteristics towards the middle of the range are more likely to survive and reproduce. (occurs when the environment isnt changing and reduces the rtange of possible phenotypes)
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Card 25
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______ is where individuals with alleles for characteristics of an extreme type are more likely to survive and reproduce. ( may be due to environmental change causing genetic changes in the population)
