chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 222514202 222514203 T G 25 GENIC homozygous 109449772 1 222515413 222515414 A G 22 GENIC homozygous 109449773 1 222515976 222515977 G A 29 GENIC homozygous 109449774 1 222516562 222516563 A G 25 GENIC homozygous 109449775