chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 38243873 38243874 T G 23 GENIC homozygous 109694768 19 38243917 38243918 A G 33 GENIC homozygous 109694770 19 38243921 38243922 C G 36 GENIC homozygous 109694772