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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