BI 101 Homework 6 Park University | Page 2

Could both parents of a person with unattached earlobes have attached earlobes ? Why or why not ? Think about what the parent ’ s genotypes have to be .
7 . How are a locus , allele and a gene similar ? How would you differentiate among these three terms ?
8 . Explain what is meant by polygenic inheritance , Pleiotropy , and human gene therapy . Provide an example of each .