chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 70007839 70007840 T C 48 GENIC homozygous 633194900 19 70007856 70007857 C A 45 GENIC homozygous 633194901 19 70009368 70009369 G C 18 GENIC homozygous 633194902