chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 155090980 155090981 G A 18 GENIC homozygous 882989444 4 155091059 155091060 A G 14 GENIC homozygous 882989445 4 155091461 155091462 T G 14 GENIC homozygous 882989446