Genetics

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3. Crosses between true-breeding yellow-haired Guinea pigs and white-haired Guinea pigs result in progeny that have cream-colored hair. The following data were collected when many pairs of cream-colored F1 Guinea pigs were mated:

42 yellow-haired 81 cream-haired 37 white-haired

What kind of inheritance is occurring? _______________epistasis________________

Calculate a 2 value to test your decision. ____________________________

What are the degrees of freedom? __________________________________

What is the worst fit by chance (p)? _________________________________

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