chr start stop reference nuc variant nuc depth genic status zygosity variant ID 12 18522998 18522999 G A 54 GENIC homozygous 115276900 12 18524016 18524017 A C 20 GENIC homozygous 115276902 12 18524692 18524693 C T 39 GENIC homozygous 115276904 12 18525801 18525802 C T 28 GENIC possibly homozygous 115276906 12 18526764 18526765 T C 37 GENIC homozygous 115276908