chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 20566409 20566410 C T 32 GENIC homozygous 116770678 8 20566783 20566784 T C 10 GENIC homozygous 116770682 8 20566836 20566837 G A 7 GENIC homozygous 116770684