chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 144606485 144606486 T C 2 GENIC homozygous 115945524 7 144606678 144606679 A C 5 GENIC homozygous 115945526 7 144606686 144606687 G A 4 GENIC homozygous 115945527