chr start stop reference nuc variant nuc depth genic status zygosity variant ID 2 230273007 230273008 C G 12 GENIC heterozygous 74441326 2 230275602 230275603 A G 25 GENIC homozygous 74441330 2 230275616 230275617 C T 26 GENIC homozygous 74441332 2 230276135 230276136 G A 13 GENIC homozygous 75310448