AQA Biology Unit 2 Section 1 :Variation

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Variation exists between all individuals

Variation is the difference that exist between individuals. There are two types:

  • Interspecific - the variation that exists between different species.
  • Intraspecific - the variation that occur within a species

Intraspecific variation is caused by genetic and environmental factors

Genetic

  • All the members of a species have the same genes
  • But individuals with a species can have different versions of those…

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