DNA Genes Chromosome

What is the structure of DNA?

• Single-Helix

• Double-Helix

• Triple-Helix

• X-Shaped

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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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Bundles of tightly coiled DNA

• Chromosome

• Genes

• Traits

• Nucleus

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The material that exists in every cell in your body that holds your genetic code. It Is like your body’s cookbook.

• Gene

• DNA

• Chromosome

• Trait

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What is the main function of genes?

• To provide energy to the cells

• To digest food

• To determine the traits of an organism

• To protect the cell from viruses

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What is DNA?

• A type of protein that helps in digestion

• A molecule that contains the instructions an organism needs to develop, live, and reproduce

• A cell component that provides energy for the cell

• A type of carbohydrate that stores energy

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Which of the following best describes why siblings (except identical twins) do not look exactly alike?

• They inherit different genes from their parents

• They choose different lifestyles

• They eat different foods

• They live in different environments

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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.

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A chromosome is made of coiled up ___________.

• cells

• nuclei

• DNA

A segment of DNA that codes for a trait

• gene

• centromere

• chromosome

• chromatid

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