Final answer:
The possible conclusion that can be drawn about autism based on the evidence provided is that autism may be genetic. Research has indicated that variant genes correlate with the presence of Autism Spectrum Disorder (ASD). Additionally, studies have shown no connection between vaccines and autism.
Step-by-step explanation:
The possible conclusion that can be drawn about autism based on the evidence provided is B. autism may be genetic. Autism is a complex disorder and the causes of Autism Spectrum Disorder (ASD) are largely unknown. However, variant genes have been found to correlate with the presence of ASD. While there is no single gene responsible for autism, several hundred genes have been implicated in ASD.
Furthermore, research studies have shown that there is no connection between vaccines and autism. The initial research paper linking vaccines to autism was retracted when it was discovered that the author falsified data. Large-scale epidemiological research has consistently indicated that vaccinations are not responsible for causing autism.
In conclusion, while the true causes of autism are still being studied, the evidence supports the understanding that autism may be genetic and that vaccines do not cause autism.