All _____ have DNA

• solid objects

• human cells

• living organisms

• chemical compounds

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The term "double helix" refers to:

• The type of cell that contains DNA.

• The number of DNA molecules in each cell.

• The size of a DNA molecule.

• The shape of a DNA molecule

How is DNA similar to a fingerprint?

• Both are unique to an individual.

• Both have a double helix shape

• Both are found in the nucleus of every cell in the body.

• Both determine physical traits such as height and eye color.

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DNA can be compared to a building's:

• bricks

• blueprint

• residents

• room

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What is heredity?

• The passing down of traits in only plants.

• The way that you look.

• The passing down of traits in only animals.

• The passing down of traits from parent to offspring.

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Chromosomes are made out of DNA

• True

• False

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Why are your chromosomes arranged in pairs?

• Because you only get chromosomes from your mother.

• Because you get one from your mother, and one from your father

• Because you only get chromosomes from your father.

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

• nutrition

• environment

• amount of exercise

• medical care

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What are genes?

• Something that you wear on your legs.

• Segments of DNA that carry instructions for the traits of the offspring.

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Chromosomes are found in the ____ of almost all cells in our bodies.

• cell membrane

• ribosomes

• nucleus

• vacuoles

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