was ist genetik einfach erklärt — what symptoms are typical?

Genetics is the study of genes and heredity. Typical symptoms of genetic disorders vary widely – from developmental delays, malformations, or metabolic issues to increased risks for certain diseases. However, the provided context does not contain specific information about symptoms of genetic conditions. The examples given (TSH test, vitamin D, ferritin, HLA-DQA1, ACTN3) illustrate that genetic tests often only indicate risk factors or tendencies, not a diagnosis. Symptoms always require clinical evaluation.