chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 99574035 99574036 T G 1 GENIC homozygous 60775965 1 99574979 99574980 A T 18 GENIC homozygous 62064675 1 99577844 99577845 C T 14 GENIC possibly homozygous 62064676 1 99577888 99577889 T C 7 GENIC homozygous 60775972