DNA, Chromosomes and genes

DNA is short for

• Ribonucleic acid

• Deoxyribonucleic acid

• Nucleic acid

How many pairs of chromosomes do human cells contain?

• 23

• 46

• 16

• 32

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Where is DNA found in a human cell?

• ribosome

• nucleus

• cell membrane

• cytoplasm

What is a short segment of a DNA strand that codes for our characteristics?

• chromosome

• DNA

• RNA

• gene

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What is a long coiled strand of DNA and proteins?

• gene

• RNA

• chromosome

• genome

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We inherit our genes from ...

• our nucleus.

• our parents.

• from the food we eat.

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DNA is a molecule made up of a combination of how many DNA bases?

• 1

• 2

• 3

• 4

DNA has a special structure called a

• single helix

• double helix

• triple helix

• ladder

Our characteristics are controlled by

• DNA

• genes

• chromosomes

• parents

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The yellow part of this picture is DNA. What do you think the turquoise part around it is?

• chromosome
• gene
• DNA
• ACTG

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