2. In guinea pigs, rough coat R is dominant over smooth coat r and black coat B is dominant over white coat b. If smooth black animal is back-crossed a smooth white animal, the offspring
comprise 6 smooth black animals and 7 smooth white animals,
What are the genotypes of the parents?
[2]
b. Diagram the crosses showing all pertinent genotypes, phenotypes and gametes.
[8]​

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3