chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 2722328 2722329 T A 27 GENIC homozygous 993833729 6 2722508 2722509 A G 20 GENIC homozygous 993833730 6 2722509 2722510 G A 20 GENIC homozygous 993833731