chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 135546526 135546527 A G 19 GENIC homozygous 71158015 4 135546833 135546834 A G 15 GENIC homozygous 71158018 4 135546922 135546923 C T 16 GENIC homozygous 71158021