chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 42012298 42012299 A C 27 GENIC homozygous 53891803 7 42012669 42012670 G T 47 GENIC homozygous 54367419 7 42013036 42013037 T G 20 GENIC homozygous 54367421 7 42013430 42013431 T C 18 GENIC possibly homozygous 54367423