chr start stop reference nuc variant nuc depth genic status zygosity variant ID 8 53628911 53628912 C T 12 GENIC homozygous 52634190 8 53628921 53628922 A T 12 GENIC homozygous 53363854 8 53630544 53630545 A T 20 GENIC possibly homozygous 53119557