Intro to 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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What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct

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How many pairs of chromosomes exist in each of your cells?

• 10
• 12
• 23
• 46

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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Which of your body cells contain DNA?

• Only your reproductive cells, like egg or sperm
• Only your blood cells
• Only your bone cells
• Most all of the cells in your body

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DNA can best be described as 

• The bricks of a building
• A cookbook of recipes
• People living in a community 
• The energy plant that fuels a city

Put in order smallest to largest:

• Chromosome - DNA - Gene
• Gene - DNA - Chromosome 
• DNA - Gene  Chromosome
• Chromosome - Gene  - DNA

Inherited traits are controlled by 

• genetic information in the genes
• the environment a baby is born into
• the nucleus and mitochondria
• none of the above

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