chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 57813183 57813184 C A 27 GENIC homozygous 540875520 4 57817934 57817939 CCCCC ----- 6 GENIC homozygous 697131515 4 57817974 57817975 C - 2 GENIC heterozygous 697131516