genes flashcard

Front

What is heterozygous?

Back

Heterozygous refers to having two different alleles for a particular gene.

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NGSS.HS-LS3-2

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What is homozygous?

Back

Homozygous refers to having two identical alleles for a particular gene.

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If you look more like your mom, what does that imply about your genes?

Back

It implies that you have inherited more genes from your mom.

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What is a trait?

Back

A trait is a characteristic or feature of an organism, such as hair color or eye color.

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NGSS.HS-LS3-1

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Do all offspring have the same traits from their parents?

Back

No, offspring can inherit different combinations of traits from their parents.

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Front

What is an allele?

Back

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

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NGSS.HS-LS3-2

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present, while recessive alleles require two copies to express their trait.

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What does it mean to be a carrier of a trait?

Back

A carrier has one copy of a recessive allele and can pass it on to offspring without expressing the trait.

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NGSS.HS-LS3-1

Front

What is genetic variation?

Back

Genetic variation refers to the differences in DNA among individuals, which can lead to different traits.

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Front

What role do genes play in inheritance?

Back

Genes are the units of heredity that are passed from parents to offspring, determining traits.

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