chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 186142782 186142783 A C 19 GENIC homozygous 885175306 1 186144108 186144109 T C 10 GENIC homozygous 885175305 1 186146374 186146375 A G 19 GENIC homozygous 885175304