chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 30915726 30915727 G A 40 GENIC homozygous 109338962 20 30919787 30919788 C T 32 GENIC possibly homozygous 109338964 20 30920000 30920001 A G 36 GENIC homozygous 109338966