chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 46938301 46938302 A G 32 GENIC homozygous 74997138 1 46940542 46940543 T G 16 GENIC homozygous 74997141 1 46943748 46943749 A T 18 GENIC homozygous 75402939 1 46943762 46943763 T A 15 GENIC possibly homozygous 75402940 1 46943901 46943902 G A 16 GENIC homozygous 75402941