Complete Dominance, Incomplete Dominance, Codominance

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What is Complete Dominance?

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A genetic scenario where one allele completely masks the effect of another allele in a heterozygous individual.

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What is Incomplete Dominance?

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A genetic scenario where neither allele is completely dominant, resulting in a phenotype that is a blend of both traits.

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What is Codominance?

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A genetic scenario where both alleles in a heterozygous individual are fully expressed, resulting in offspring with a phenotype that shows both traits equally.

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Example of Complete Dominance in plants?

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When a brown snake (dominant) and a yellow snake (recessive) are crossed, resulting in all brown offspring.

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Example of Incomplete Dominance in plants?

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A tall tomato plant crossed with a short tomato plant results in all medium-sized offspring.

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Example of Codominance in flowers?

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The red and white camellia flower shows both red and white colors in the petals.

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What is a heterozygous individual?

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An individual with two different alleles for a specific gene.

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What is a homozygous individual?

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An individual with two identical alleles for a specific gene.

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What is a phenotype?

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The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

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What is a genotype?

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The genetic constitution of an individual, specifically the alleles present for a particular gene.