chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 262448568 262448569 G C 27 GENIC heterozygous 927022842 1 262510256 262510257 T - 42 GENIC heterozygous 927204381 1 262510506 262510507 G C 30 GENIC heterozygous 927022843