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GCSE Biology 10 - Genetics
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Pedigrees:
What type of inheritance is shown in the two pedigrees above?
Recessive
Dominant
Clear selection
Explain your previous answer. How did you know?
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Your answer
Imagine the child on the left pedigree marries an affected man (a black square). What colour would their children be?
White
Black
Combination
Cannot be determined
Clear selection
What form of inheritance does this pedigree represent?
Recessive
Dominant
Clear selection
If AA is homozygous dominant, Aa is heterozygous, aa is homozygous recessive, what must the top-most square be?
0 points
AA
Aa
aa
Clear selection
Why does the third generation have a mix of phenotypes?
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