When given a distance in cM, please divide by two in order to obtain the fraction of one of the two types of recombinants . For all of the following questions, select the one best answer. There are 34 total questions. Please mark your answers on the batch card.
All questions have the same value.
Jane has Marfan syndrome. Her daughter Judy, son Elroy and Elroy's sons George II and Elmer have the same disease. Jane also has a normal son and daughter. Please assume that the married-ins are normal homozygotes. In the pedigree shown below, an X-linked recessive disease is segregating.