chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 207931879 207931880 T - 3 GENIC homozygous 60082119 2 207934629 207934631 TT -- 29 GENIC possibly homozygous 59356751 2 207934769 207934770 A G 23 GENIC homozygous 59356752