DNA, Genes and Chromosomes

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

• chromosome

• DNA

• RNA

• gene

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NGSS.HS-LS3-1

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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

What is a long coiled strand of DNA and proteins?

• gene

• RNA

• chromosome

• genome

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NGSS.HS-LS3-1

Most same genes are located in the same place on pairs of chromosomes.

• True

• False

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We inherit our genes from ...

• our nucleus.

• our parents.

• from the food we eat.

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Our characteristics are controlled by

• DNA

• genes

• chromosomes

• parents

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NGSS.HS-LS3-1

A single strand of DNA tightly coiled around special proteins.

• gene

• nucleotide

• chromosome

• nitrogenous base

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NGSS.HS-LS3-1

The two scientists who discovered the structure and shape of DNA.

• Hooke, Watson

• Crick, Virchow

• Schleiden, Hooke

• Watson, Crick

A long molecule in the shape of a double helix and made up of nucleotides; contains genetic information.

• Deoxyribonucleic acid (DNA)

• ribonucleic acid (RNA)

• chromosome

• gene

Tags

NGSS.HS-LS3-1

NGSS.HS-LS1-1