Coat color in the calico cat is one of the classic examples…

Coat color in the calico cat is one of the classic examples of X-inactivation.  Examine the illustration of the tortoiseshell cat below and answer the associated questions.        a.  Which X-linked allele is inactive in the orange patches of the calico cat?      b.  Which X-linked allele is inactive in the white areas of the calico cat?      c.  Is this cat most likely a female or a male?  How do you know?

You suspect that a particular phenotype is the result of sev…

You suspect that a particular phenotype is the result of several genes being expressed together (polygenic inheritance).  You decide to document the occurrence of the phenotype in a population, so you sample about 1,000 people.  Which of the following characteristics are you likely to document if the phenotype actually is polygenic?  Select all correct choices.