chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 233979830 233979831 C T 18 GENIC homozygous 74754630 1 233980716 233980716 A 12 GENIC homozygous 75963111 1 233981904 233981905 T C 17 GENIC homozygous 74754632 1 233983520 233983521 G A 22 GENIC homozygous 74754636