chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 235170852 235170853 G GC 50 GENIC heterozygous 926640825 4 235178755 235178756 G A 20 GENIC heterozygous 926573051 4 235178846 235178847 C T 10 GENIC heterozygous 926573052