chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 252990151 252990152 A C 6 GENIC homozygous 109020372 1 252990687 252990688 G A 9 GENIC homozygous 109020373 1 252992645 252992646 C T 11 GENIC homozygous 109020374