chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 7553180 7553181 A T 10 GENIC homozygous 47257772 16 7599640 7599641 G C 10 GENIC homozygous 47257777 16 7599648 7599649 G C 10 GENIC homozygous 47257778