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7 Cards in this Set
- Front
- Back
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What are the two types of variation?
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Inherited and environmental.
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What is environmental variation?
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Any difference caused by the environment.
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What is an example of environmental factors?
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Scars and languages.
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What is an example of inherited factors?
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Eye colour and earlobe shape.
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What is the process of inheritance?
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It begins at the cell nucleus with 23 pairs of chromosomes (1 from mum, 1 from dad) then they are divided into genes which controls aspects of human growth.
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What can be environmental or inherited factors?
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Nose shape, intelligence and hair colour.
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What is the mixing of genes from two parents called?
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Genetic variation.
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