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linda holub 2

I hope you can clear up some confusion I have with studying behavior resulting from DNA code. I understand “Herding dog” puppies will display herding behaviors & “non-sporting/lap dog” puppies will tend to sleep and be mellow. Because one of my dogs is diabetic and now has low thyroid the DNA behavior code she was born has changed. From what I could find online DNA does not change but there can be “epigenetic modifications, or “tags,” such as DNA methylation and histone modifications” which alter how DNA is displayed. It seems that changes such as this will complicate or throw a wrench into what you are researching. Can you clarify how epigenetic modifications factor into the study especially since you eventually want to apply it to human behaviors such as OCD and depression?