DNA intro

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9 Terms

1
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What four key properties must genetic information possess

It must encode information, be transmitted, replicate, and allow variation.

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What does it mean for DNA to encode information

DNA stores genetic instructions in the sequence of its nucleotides.

3
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What does transmission mean for genetic information

Genetic information must be passed from a cell to its daughter cells or from parents to offspring.

4
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What does replication mean for genetic information

DNA must be copied so genetic information can be inherited.

5
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What does variation mean for genetic information

Genetic information must be capable of changing, creating differences between individuals.

6
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Who proposed the double-helix model of DNA

James Watson and Francis Crick in 1953.

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What is DNA

Deoxyribonucleic acid, the molecule that stores genetic information.

8
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What is a nucleotide

The basic building block of DNA, consisting of a sugar, phosphate group, and nitrogenous base.

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What is a polynucleotide

A chain of nucleotides joined together by phosphodiester bonds.