chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 148617463 148617464 C T 26 GENIC homozygous 112877075 4 148617532 148617533 C T 20 GENIC homozygous 112877077 4 148617733 148617734 A G 18 GENIC homozygous 112877089