Homework Help: Genetics

Posted by Katie on Saturday, November 1, 2008 at 2:46pm.

Hi guys,
Need help with this

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)? _________________________________

Genetics - SraJMcGin, Saturday, November 1, 2008 at 2:50pm
Here are some Websites for you:

1. http://intranet.dalton.org/departments/science/Biology1/genetics_problems.html

2. http://www.valdosta.edu/~rgoddard/intro/GeneticsQuestions.html

Sra

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