chromosome, dna, analysis, analyzing, autoimmune disorder, blood, blood sample, blood sample tube, blood test, brca gene, brca gene mutation, brca genetic test, brca testing, brca1 and brca2, cancer, care, closeup, concept, diagnose, diagnosis, diagnostic, disease, exam, examination, genetic, health, hospital, lab, laboratory, medical, medicine, mutation, research, scientific, scientific experiment, scientific research, test, treatment, tube, tumor, women