chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 144385516 144385517 G C 53 GENIC homozygous 58155206 4 144385994 144385995 G A 63 GENIC homozygous 58155208 4 144387043 144387044 A G 54 GENIC heterozygous 58155210