chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 136228052 136228053 G A 7 GENIC homozygous 112840178 4 136229021 136229022 A G 7 GENIC homozygous 112840184 4 136229229 136229230 A G 5 GENIC homozygous 112840188