chr start stop reference nuc variant nuc depth genic status zygosity variant ID 6 19991504 19991505 T C 18 GENIC homozygous 114734084 6 19992098 19992099 C T 21 GENIC homozygous 114734085 6 19992139 19992140 G A 21 GENIC homozygous 114734086 6 19992464 19992465 G A 22 GENIC homozygous 114734087