Short Answer
Arlo Guthrie decided against genetic testing for Huntington’s disease, aware of the risks from his father’s history, leaving uncertain whether he inherited the mutated gene. Currently, there is no evidence that he has developed the disease, maintaining ambiguity about his genetic status.
Step 1: Understanding Huntington’s Disease
Huntington’s disease is a severe genetic disorder that is inherited in a dominant manner. This means that an individual only needs one copy of the mutated gene to develop the disease. Symptoms typically appear during middle age, which can complicate family planning and understanding of risks.
Step 2: Arlo Guthrie’s Decision
Arlo Guthrie, aware of the risks associated with Huntington’s disease due to his father’s history, opted not to undergo genetic testing. This decision left open the possibility of having inherited the gene without the confirmation that testing would provide. He made this choice despite knowing the potential complications it could impose on his future.
Step 3: Current Status and Conclusion
As of now, there is no public evidence that Arlo Guthrie has developed Huntington’s disease. Consequently, it remains unclear whether he has the gene for the condition. Therefore, the conclusion can be drawn that he chose not to have genetic testing and did not develop the disease.