Heredity and Genetics-1.0

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What is heredity?

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The passing of traits from parents to offspring.

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What is a gene?

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A segment of DNA that codes for a specific trait.

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What are alleles?

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Different forms of a gene.

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What does heterozygous mean?

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Having two different alleles for a trait.

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What does homozygous mean?

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Having two identical alleles.

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What is a phenotype?

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The observable characteristics or traits of an organism.

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What is a purebred?

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An organism that has two identical alleles for a trait.

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What is a hybrid?

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An organism that has two different alleles for a trait.

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What is codominance?

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A situation in which both alleles in a heterozygous organism contribute to the phenotype.

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What is the role of DNA in heredity?

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DNA carries the genetic information that is passed from parents to offspring.