chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 149667076 149667077 C T 2 GENIC homozygous 57518377 4 149671066 149671067 T - 20 GENIC homozygous 56978542 4 149674474 149674475 G - 23 GENIC homozygous 56978546 4 149676289 149676290 T - 23 GENIC possibly homozygous 57518379 4 149681054 149681055 C CT 7 GENIC homozygous 57518381