chr start stop reference nuc variant nuc depth genic status zygosity variant ID 19 66750575 66750576 G GT 8 GENIC possibly homozygous 46191973 19 66750575 66750576 G GTTTTT 8 GENIC heterozygous 46433009 19 66753464 66753467 GGT --- 57 GENIC homozygous 46383911 19 66753468 66753469 A ATCC 54 GENIC homozygous 46383913