Genetics and Punnett Squares Test Retake

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What is selective breeding?

Back

A process to create an organism with desired traits from parents with those desired traits to benefit humans.

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What are alleles?

Back

The different forms of genes.

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What is a dominant trait?

Back

A trait that is expressed when at least one dominant allele is present, such as yellow pea seeds.

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What does Aa represent in genetics?

Back

Heterozygous (hybrid), meaning it has two different alleles for a trait.

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What does homozygous mean?

Back

Having two of the same genes for a trait, sometimes called purebred.

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What is a gene?

Back

A segment of DNA that determines a specific trait.

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What is a phenotype?

Back

The observable characteristics or traits of an organism.

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What is a genotype?

Back

The genetic makeup of an organism, represented by alleles.

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What is a Punnett square?

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A diagram used to predict the outcome of a genetic cross.

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What is a recessive trait?

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A trait that is only expressed when two recessive alleles are present.