chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 42810996 42810997 G A 31 GENIC heterozygous 74112604 1 42824041 42824042 A C 34 GENIC homozygous 74112607 1 42824042 42824043 A T 34 GENIC homozygous 74112610