chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 31341705 31341706 A G 19 GENIC homozygous 138052040 7 31341738 31341739 C T 28 GENIC homozygous 138052041 7 31341999 31342000 T C 21 GENIC homozygous 138052042 7 31343308 31343308 AA 27 GENIC homozygous 137945254