Bill Nye: Genes

Genes are a set of instructions in the cells in your body that determine:

• what you say.
• what you wear.
• who and what you are.
• All of the above.

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Most human cells have 23 pairs of ________.

• chromosomes
• genes
• DNA
• molecules

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_______ chemicals combine to make up DNA molecules.

• three
• four
• five
• six

DNA stand for ______________

• dad never answers
• David N. Archibald
• deoxyribonucleic acid
• does not always

Which of the following are produced only by the female?

• Sperm
• Genes
• Egg
• Fertilization

Which of the following are contained in genes?

• Your blood.
• Your cells.
• What you will look like.
• All of the above.

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Where are genes located?

• Cells
• Chromosomes
• DNA
• All of the above

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Which of the following are true about cells?

• Most cells are as old as you.
• Cells divide, producing more cells.
• Cells do not help sustain life.
• None of the above.

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Which animal represents a hybrid offspring that has some traits from a horse and some traits from a donkey?

• Zebra
• Okapi
• Moose
• Mule

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A human body is made up of cells.

• TRUE
• FALSE

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