chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 13671969 13671971 GA -- 23 GENIC heterozygous 926636933 20 13675847 13675848 A C 12 GENIC heterozygous 926548932 20 13675853 13675854 T C 12 GENIC heterozygous 926548933 20 13677736 13677737 G A 39 GENIC heterozygous 926548934