was kostet ein gentest für krebs — what symptoms are typical?

The question about the cost of a genetic test for cancer and typical symptoms cannot be answered from the provided context. The knowledge snippets cover microbiome tests, single-gene variants (FTO, BDNF), and hormone tests – not cancer genetic testing. In general, costs for cancer genetic tests vary widely depending on scope (single gene, panel, exome/genome) and often range from $100 to several thousand dollars. Symptoms are not applicable because such tests assess hereditary risk, not diagnose symptomatic disease. Typical red flags for hereditary cancer include multiple family members with cancer, early onset, or rare tumor types. Without specific context, this answer is speculative. I recommend consulting a healthcare provider or the MyBody-X platform for accurate information.