Inheritance Patterns

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What is the Dominant / Recessive Inheritance Pattern?

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In this pattern, the dominant allele expresses its trait while the recessive allele is masked in a heterozygote.

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What is Incomplete Dominance?

Back

A type of inheritance where one allele is not completely dominant over the other, resulting in a blending of traits in the offspring.

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What is Codominance?

Back

A type of inheritance where both alleles in a heterozygote are fully expressed, resulting in offspring with a phenotype that shows both traits.

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What is an example of Dominant / Recessive Inheritance?

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Pea plant flower color, where purple is dominant over white.

Front

What color flowers do you get when crossing a red flowered (rr) plant with a white flowered (ww) plant in Incomplete Dominance?

Back

Pink flowers.

Front

What is the phenotype of a heterozygous individual in a Dominant / Recessive Inheritance Pattern?

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The phenotype will display the dominant trait.

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In Codominance, what happens when a red flowered plant is crossed with a white flowered plant?

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The offspring will have both red and white flowers.

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What is the significance of alleles in inheritance patterns?

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Alleles are different forms of a gene that determine specific traits in an organism.

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How does Incomplete Dominance differ from Codominance?

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Incomplete dominance results in a blending of traits, while codominance results in both traits being fully expressed.

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What is a heterozygote?

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An organism that has two different alleles for a particular gene.