chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 158250967 158250968 G C 47 GENIC homozygous 144565671 1 158251069 158251070 G C 58 GENIC homozygous 144565672 1 158251260 158251261 C T 51 GENIC homozygous 144565673