Pedigree Worksheet 1. The affected members of the family all have curly hair, a dominant trait in humans. For each person write their possible genotype below their symbol on the diagram. 2. Dwarfism is a recessive trait that runs in families. This diagram shows how it affects one family. Use it to answer the questions. a) Should Jen be concerned about having a dwarf child? Why or why not? b) Determine the possible phenotypes for the individuals that are named in the diagram.