We used the Star Logo program of agent based modeling to solve our problem. We took the basic assumptions of population equilibrium set forth by the Hardy-Weinberg rule and created a large population with a random genetic makeup. The turtles randomly reproduced and had no outside physical or environmental effects of change on them. After creating the population in equilibrium, we were able to input and manipulate the breast cancer mutation.

To solve our problem we had to give each turtle its own properties. One such property is genotype. The genes were identified as alleles 0 or 1, with 1 being the dominant and 0 being the recessive gene. When the recessive genotype (0,0) appears the agent would develop breast cancer. We used the statistics from our research, to input the probability of breast cancer occurrence. One in 400 people would randomly mutate to the breast cancer gene. Those offspring who inherited the recessive genotype (0,0) would also develop breast cancer. We also input the probability of breast cancer death, based on the statistics in Table 1. We made this model realistic in that if the turtle carries this gene they have a certain percentage risk of dieing from breast cancer.

Introduction	Table 1	Problem Definition	Problem Solution	Results
Table 2	Figure 1	Conclusions	Recommendations	Acknowledgments