chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 137099955 137099956 T C 28 GENIC heterozygous 56942799 4 137099964 137099965 G A 29 GENIC heterozygous 56942800 4 137100203 137100204 T C 30 GENIC heterozygous 56942801 4 137100618 137100619 A G 56 GENIC heterozygous 56942802