Genetics: Analysis and Principles 5th Edition by Robert Brooker

Exercise 34

Describe when X-chromosome inactivation occurs and how this leads to phenotypic results at the organism level. In your answer, you should explain why XCI causes results such as variegated coat patterns in mammals. Why do two different calico cats have their patches of orange and black fur in different places Explain whether or not a variegated coat pattern due to XCI could occur in marsupials.