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.