Heredity Pre-Assessment S3

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What is heredity?

Back

Heredity is the passing of traits from parents to their offspring.

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What is a trait?

Back

A trait is a characteristic or feature of an organism, such as color, size, or shape.

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What is a genotype?

Back

Genotype is the genetic makeup of an organism, representing the alleles inherited from the parents.

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What is a phenotype?

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Phenotype is the physical appearance or visible traits of an organism, influenced by its genotype.

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What does homozygous mean?

Back

Homozygous means having two identical alleles for a particular gene.

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What does heterozygous mean?

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Heterozygous means having two different alleles for a particular gene.

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What is a dominant trait?

Back

A dominant trait is a trait that will appear in the phenotype even if only one allele is present.

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What is a recessive trait?

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A recessive trait is a trait that will only appear in the phenotype if two recessive alleles are present.

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What is an inherited trait?

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An inherited trait is a characteristic that is passed down from parents to offspring through genes.

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What is the role of DNA in heredity?

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DNA carries the genetic information that determines the traits of an organism.