chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 172728441 172728442 C T 24 GENIC homozygous 108960619 1 172728882 172728883 G A 23 GENIC homozygous 108960621 1 172729180 172729181 A G 22 GENIC homozygous 108960622