Chromosomes Genes DNA

What is the structure of DNA?

• Single-Helix

• Double-Helix

• Triple-Helix

• X-Shaped

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NGSS.HS-LS1-1

Which of the following BEST describes the relationship between DNA, genes, and chromosomes?

• DNA is a type of gene and is located on chromosomes.

• DNA contains chromosomes and is found in genes.

• Genes contain DNA, and chromosomes are located on genes.

• Genes are sections of DNA, and chromosomes are made of tightly coiled DNA.

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NGSS.HS-LS1-1

Bundles of tightly coiled DNA

• Chromosome

• Genes

• Traits

• Nucleus

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NGSS.HS-LS3-1

Sections of DNA that contain the set of instructions that control how our body grows and works and controls many of our characteristics.

• Chromosome

• Nucleus

• Genes

• Cell

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A chromosome is made of coiled up ___________.

• cells

• nuclei

• DNA

How many chromosomes do humans typically have in each cell?

• 23

• 46

• 64

• 92

What are chromosomes made of?

• Proteins and lipids

• DNA and proteins

• RNA and carbohydrates

• Lipids and carbohydrates

What is the shape of the DNA molecule?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

A segment of DNA that codes for a trait

• gene

• centromere

• chromosome

• chromatid

Tags

NGSS.HS-LS3-1

Which of the following statements about genes is true?

• Genes are made of lipids.

• Genes are segments of DNA.

• Genes are proteins.

• Genes are carbohydrates.

Tags

NGSS.HS-LS3-1