chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 12550118 12550119 T C 49 GENIC heterozygous 45431328 20 12550748 12550749 G A 35 GENIC heterozygous 45685935 20 12565344 12565345 C - 28 GENIC heterozygous 45431377