chr start stop reference nuc variant nuc depth genic status zygosity variant ID 20 4364544 4364545 C T 41 GENIC possibly homozygous 109074352 20 4364561 4364562 A G 39 GENIC homozygous 109074354 20 4365761 4365762 T C 45 GENIC homozygous 109074356