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Card 6

Front

how is sickle cell disease and cystic fibrosis cause?

Back

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Card 7

Front

True or Flase- you only need one recessive allele to get cystic fibrosis?

Back

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Card 8

Front

what is an extreme habitat?

Back

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Card 9

Front

varitation is the difference between individuals of the same species. what causes variation ?

Back

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Card 10

Front

What are the characteristics called when environment causes variation in a species

Back

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Card 11

Front

what is evolution ?

Back

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Card 12

Front

what happens if the species us not suited to their environment ?

Back

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Card 13

Front

what are the six steps of Charles Darwin theory of natural selection ?

Back

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Card 14

Front

what do humans have in the nucleus of cells?

Back

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Card 15

Front

how many pairs of chromosomes do humans have?

Back

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