Quiz on Genetics

What did Gregor Mendel deduce about genes?

• Genes are inherited randomly from one parent

• Genes come in pairs and are inherited as distinct units, one from each parent

• Genes are inherited only from the mother

• Genes are inherited only from the father

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What is the study of how traits are passed from parent to offspring called?

• Biology

• Genetics

• Ecology

• Anatomy

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What are genes?

• A type of cell

• A set of characteristics inherited from your parents

• A type of protein

• A type of vitamin

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Which of the following is an example of a trait?

• Hair color

• Temperature

• Speed

• Distance

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How do traits affect us?

• They affect the way we look and how our bodies function

• They determine the weather

• They control the seasons

• They influence the time of day

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What is true about traits?

• Traits are inherited

• Traits are temporary

• Traits are man-made

• Traits are invisible

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What is an allele?

• A type of chromosome

• A different gene for the same trait

• A cell structure

• A type of protein

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What is an example of a trait that can have different alleles?

• Hair length

• Eye color

• Skin texture

• Height

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What is a dominant gene?

• A gene that does not show even though it is present

• A gene that prevents the other gene from showing

• A gene represented by a lowercase letter

• A gene that is always visible

How is a recessive gene symbolized?

• Uppercase letter

• Lowercase letter

• Number

• Symbol