Variation

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Where do most animals get some genes from?
Mother and father
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What does the combining of genes from two parents cause?
genetic variation
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What is a mutation?
changes in an organism's gene
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What is environmental variation?
the environment that organisms live and grow in and also causes differences between members of the sam species
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Examples of environmental factors?
diet, exercise, temperature, light level, amount of water etc
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Wha are most characteristics determined by?
a mixture of genetic and environmental factors
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What is continuous variation?
when the individuals in a population vary within a range
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What is discontinuous variation?
when there are two or more distinct categories
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Practical for continuous variation -->
record the hand span of everyone in your class and measure the distance from the ti of the little finger to the tip f the thumb
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Practical for discontinuous variation -->
record the eye colour of everyone in your class
10 of 10

Other cards in this set

Card 2

Front

What does the combining of genes from two parents cause?

Back

genetic variation

Card 3

Front

What is a mutation?

Back

Preview of the front of card 3

Card 4

Front

What is environmental variation?

Back

Preview of the front of card 4

Card 5

Front

Examples of environmental factors?

Back

Preview of the front of card 5
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