chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 2722328 2722329 T A 26 GENIC homozygous 990948751 6 2722508 2722509 A G 13 GENIC homozygous 990948752 6 2722509 2722510 G A 13 GENIC homozygous 990948753