chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 157962640 157962641 G A 59 GENIC homozygous 137249184 4 157965977 157965978 T C 19 GENIC heterozygous 148879795 4 157964148 157964149 C T 55 GENIC homozygous 141671048