chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 180232434 180232435 G T 11 GENIC homozygous 112974030 4 180232435 180232436 G T 11 GENIC homozygous 112974031 4 180232436 180232437 G C 11 GENIC homozygous 112974032 4 180232484 180232485 A C 7 GENIC homozygous 112974033