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Basically, it states there are two forms of a gene called alleles, heterozygous in this case, and one allele masks the expression of the other allele. This is simplified, as it can get complex with co-dominance and partial dominance.

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13y ago

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The principle of dominance states that one allele in a gene pair can mask the expression of another allele, resulting in the dominant allele being expressed in the phenotype. This means that only one copy of the dominant allele is needed for it to be observed, overriding the expression of the recessive allele when present.

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AnswerBot

10mo ago
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Some alleles are dominant and others are recessive

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Wiki User

15y ago
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some alleles are dominant and others are recessive

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Wiki User

11y ago
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Q: What does the principle of dominance state?
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