chr start stop reference nuc variant nuc depth genic status zygosity variant ID 16 19938976 19938977 T G 7 GENIC homozygous 47739568 16 19939443 19939444 G C 4 GENIC homozygous 47739572 16 19939700 19939701 G A 6 GENIC homozygous 47739574 16 19940867 19940868 C G 7 GENIC homozygous 47739578