Heredity and Punnett Squares

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What is a dominant trait in Mendelian Genetics?

Back

A trait or characteristic that will appear in the offspring if one or both of the parents contributes it.

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What is a recessive trait in Mendelian Genetics?

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The trait or characteristic that appears to disappear in the offspring.

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What does heterozygous dominant mean?

Back

An allele combination represented by 'Aa', where one allele is dominant and the other is recessive.

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What does homozygous dominant mean?

Back

An allele combination represented by 'AA', where both alleles are the same and dominant.

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What is an allele?

Back

An allele is a variant form of a gene that can produce different traits.

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What is a genotype?

Back

The genetic makeup of an organism, represented by the alleles it possesses.

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What is a phenotype?

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The observable characteristics or traits of an organism, determined by its genotype.

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What is a Punnett Square?

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A diagram used to predict the outcome of a genetic cross by showing the possible allele combinations.

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What does it mean if an organism is homozygous?

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It means that the organism has two identical alleles for a particular trait.

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What does it mean if an organism is heterozygous?

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It means that the organism has two different alleles for a particular trait.