Dominant and Recessive Traits

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What are dominant traits?

Back

Dominant traits are characteristics that are expressed when at least one dominant allele is present in the genotype.

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What are recessive traits?

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Recessive traits are characteristics that are expressed only when two recessive alleles are present in the genotype.

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What does BB represent in genetics?

Back

BB represents a homozygous dominant genotype.

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What does bb represent in genetics?

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bb represents a homozygous recessive genotype.

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What does Bb represent in genetics?

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Bb represents a heterozygous genotype.

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What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.

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What is a phenotype?

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A phenotype is the observable physical or biochemical characteristics of an organism, determined by its genotype.

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How are dominant alleles represented?

Back

Dominant alleles are represented by uppercase letters.

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How are recessive alleles represented?

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Recessive alleles are represented by lowercase letters.

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What is homozygous dominant?

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Homozygous dominant refers to having two identical dominant alleles (e.g., BB).