genetics p.180
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| genotype | A organism’s genetic combination
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| dihybrid cross | fertilization between two organisms to study two different traits.
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| monohybrid cross | fertilization between two organisms to study one trait.
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| heterozygous | having non identical alleles for a trait
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| homozygous | having identical alleles for a trait.
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| phenotype | outward appearance of an organism
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| probability | the likelihood a specific event will occur
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| Punnett Square | A diagram used to predict possible genetic outcomes
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| genotypic ratio | The ratio of genotypes
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| phenotypic ratio | the ratio of phenotypes
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| testcross | when an individual of unknown genotype is crossed with a homozygous recessive.
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| complete dominance | When a dominant allele masks the recessive.
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| incomplete dominance | When both alleles have an intermediate amount of expression and neither is strong enough to mask the other
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| codominance | Neither allele is intermediate-both are expressed at once, like spots.
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