A Geneticist Is Conducting Research on Pest-Resistant Walnut Trees

Multiple Choice

A geneticist is conducting research on pest-resistant walnut trees. He has developed a set of trees, when crossed, to produce offspring as follows: 50% of all trees are very resistant, 30% of trees are somewhat resistant, and 20% are susceptible to invasion by pest. The sample space consists of which of the following outcomes?

A) resistant, not resistant
B) very resistant, not very resistant
C) resistant, susceptible
D) very resistant, somewhat resistant, susceptible