chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 28421153 28421154 T G 16 GENIC homozygous 879723891 4 28421201 28421202 C A 4 GENIC homozygous 879723892 4 28436917 28436918 C A 5 GENIC homozygous 879723893 4 28436953 28436954 T A 5 GENIC homozygous 879723894