2: Criteria for a Hereditary Molecule

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Part 2

Last updated 4:52 AM on 3/30/26
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4 Terms

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Four requirements for a molecule to function as genetic material

  • Replicate

  • Store information

  • Be expressed

  • Allow mutations

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Why DNA meets these requirements?

Replicate: so human gen. info. can be passed to daughter cells

Stores information: in a stable format that specifies heritable traits

Be expressed: being converted into cellular functions and phenotypes

Allow mutations: creating heritable variation

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Why accurate replication matters for heredity?

  • Prevents harmful mutations

  • Ensures traits pass correctly

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Why must genetic material also allows for variation?

  • Created diversity/heritable differences

  • Allows evolution