Biology Unit 2 Revision Flash Cards - Variation

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  • Created by: ethan
  • Created on: 30-03-14 19:16
What is variation?
Variation is the differences that exists between individuals
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What two types of variation are there?
Inter-specific and Intra-specific
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What is inter-specific variation?
The variation that exists between different species
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What is intra-specific variation?
The differences that occur within a species
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All members of the same species share the same what?
The same genes
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Individuals within a species have different versions of those genes, what are these called?
Alleles
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What do the alleles an organism has make up?
Its genotype
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Different genotypes result in variation in what?
Phenotype
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Give two examples of variation in humans caused by genetic factors?
Eye colour, blood type
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Genetic variation is _________ from our parents. Fill the blank.
Inherited
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The appearance (phenotype) of an individual is also affected by what other factor?
The environment
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Give two examples of how environment can affect an individuals phenotype
Plant growth is affected by the amount of minerals available in the soil and the colour of the Himalayan rabbit's fur is affected by temperature; It goes black in temperatures below 25 degrees centigrade
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Other cards in this set

Card 2

Front

What two types of variation are there?

Back

Inter-specific and Intra-specific

Card 3

Front

What is inter-specific variation?

Back

Preview of the front of card 3

Card 4

Front

What is intra-specific variation?

Back

Preview of the front of card 4

Card 5

Front

All members of the same species share the same what?

Back

Preview of the front of card 5
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