chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 234738521 234738522 T C 20 GENIC homozygous 109010852 1 234738778 234738779 T A 29 GENIC homozygous 109010853 1 234738838 234738839 T C 31 GENIC homozygous 109010854 1 234738846 234738847 C T 30 GENIC homozygous 109010855