chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 144620726 144620727 T C 14 GENIC homozygous 60880637 1 144620984 144620985 G A 7 GENIC homozygous 60880638 1 144621420 144621421 A G 8 GENIC homozygous 60880639 1 144621510 144621511 C T 8 GENIC homozygous 60880640