Genetics

inherited physical characteristics are called

• attributes

• traits

• inborn characteristics
• features

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Small sections of DNA that control the traits of an organism are called

• Genes
• Enzymes
• Proteins
• Chromosomes

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The molecule carrying the chemical code that tells cells what to do is called

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The passing of traits from parent to offspring is called

• Heredity
• Transmission
• Genetics
• Inheritance

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The shape of the DNA molecule was discovered by

• James Watson and Francis Crick
• Charles Darwin and Galileo Galilei
• Albert Einstein and Isaac Newton
• Marie Curie and Albert Einstein

The DNA moleculeis sometimes called a _________________________ because it is shaped like a twisted spiral ladder.

• double helix
• spiral ladder
• triple helix
• single helix

DNA rungs are formed by four basic molecules called

The _______ in which the DNA bases are arranged creates the code, or patter, for each gene.

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Every organism has a _____________ DNA pattern from other organisms.

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Within an organism every cell has the __________ DNA pattern.

• similar
• same
• unique
• different

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