chr start stop reference nuc variant nuc depth genic status zygosity variant ID 1 14646559 14646560 T C 2 GENIC homozygous 60633474 1 14647046 14647047 T C 19 GENIC homozygous 60633475 1 14647301 14647302 T C 22 GENIC homozygous 60633476