chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 100475929 100475930 C T 38 GENIC homozygous 987800338 4 100476655 100476656 A G 29 GENIC homozygous 987800339 4 100477555 100477556 T C 34 GENIC homozygous 987800340