As shown in figure 27–3, the ventricle in a single-loop circulatory system is responsible for a)receiving blood from the body. b)pumping blood out to the gills. c)pumping blood out to the body. d)receiving blood from the gills.

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