chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 86278571 86278572 G C 33 GENIC homozygous 112764454 4 86279060 86279061 C T 25 GENIC homozygous 112764456 4 86280084 86280085 A G 28 GENIC homozygous 112764460