chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4216560 4216561 G A 25 GENIC homozygous 109073806 20 4218022 4218023 A G 23 GENIC homozygous 109073808 20 4218100 4218101 G A 27 GENIC homozygous 109418566 20 4218419 4218420 G T 31 GENIC homozygous 109073810