chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 141168134 141168135 A G 8 GENIC homozygous 112859289 4 141168439 141168440 T G 36 GENIC homozygous 112859291 4 141168554 141168555 A G 21 GENIC homozygous 112859293