Genetics

What is heredity?

• A kind of genetic disorder
• The way DNA divides
• A trait you inherit from your parents
• The passing down of traits from parents to children

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Why are your chromosomes arranged in pairs?

• Scientists have no idea
• Because you get one from your mom and one from your dad
• Because pairs can divide easier
• Because DNA is awesome

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Which statement is true?

• Your DNA is the same as your siblings.
• Your set of DNA is identical to your mothers.
• Your set of DNA is identical to your fathers.
• Your DNA is unique to you.

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Besides genetics, what other factors are responsible for how you will grow and develop?

• How people treat you
• How hard you study
• Nutrition and environment
• What your parents look like

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What is a phenotype

• The genetic make up (code)
• The physical trait

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having two of the same genes for the trait (sometimes called purebred).

• homozygous
• hetrozygous
• protein
• chromosome

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having two different genes for a trait (sometimes called hybrid).

• protein
• homozygous
• heterozygous
• genotype

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If G = green, g = yellow

The genotype for a yellow plant is...

• GG

• Gg

• gg

• all of the choices result in yellow

Which of the following is homozygous dominant?

• Yy
• Y
• yy
• YY

Are recessive traits shown with capital or lowercase letters? 

• Capital
• Lowercase