chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 78320620 78320621 A C 27 GENIC homozygous 957761569 4 78324458 78324459 C T 37 GENIC homozygous 957761570 4 78325249 78325250 C T 24 GENIC homozygous 957761571