chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 127747880 127747881 A T 40 GENIC possibly homozygous 69933946 7 127747919 127747920 C T 39 GENIC homozygous 69933948 7 127749200 127749201 C G 37 GENIC homozygous 69101941