chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 12976815 12976817 CC -- 3 GENIC homozygous 771005790 7 12977448 12977449 G C 10 GENIC homozygous 674828605 7 12978002 12978003 A G 21 GENIC homozygous 674828606 7 12978733 12978734 G A 27 GENIC homozygous 674828607