Heredity Vocabulary

On what structures do we find genes?

• genes

• alleles

• chromosomes

• traits

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What is heredity?

• the study of pea plants

• the passing down of traits from parent to offspring

• the study of genetics

• the passing of traits from offspring to parents

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What is genetics?

• the study of heredity

• the study of pea plants

• the study of cells

• the study of bacteria

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What is an allele?

• a pair of chromosomes

• the study of heredity

• a dominant trait

• different forms of a gene

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What type of gene is ALWAYS expressed if it is present?

• recessive

• dominant

• allele

• hybrid

What word describes someone who has two DIFFERENT alleles for a certain trait

• homozygous

• purebred

• heterozygous

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What is another word for homozygous?

• heterozygous

• purebred

• hybrid

• dominant

What word is used to describe your PHYSICAL characteristics that are determined by your genes?

• Genotype

• Chromosomes

• Allele

• Phenotype

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What is a recessive gene?

• One whose trait ALWAYS shows up

• One whose trait is hidden if a dominant gene is present

• One whose trait NEVER shows up

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What is a gene?

• the smallest unit of life

• what you look like

• denim pants

• DNA that codes for a trait

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