chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 37687999 37688000 C T 33 GENIC homozygous 55077282 7 37688350 37688351 C T 21 GENIC homozygous 55077284 7 37688351 37688352 A G 21 GENIC homozygous 55077286 7 37688368 37688370 TC -- 13 GENIC homozygous 53879134