chr start stop reference nuc variant nuc depth genic status zygosity variant ID 4 77387491 77387492 G A 16 GENIC homozygous 137096647 4 77388946 77388947 C 12 GENIC homozygous 136894106 4 77391694 77391694 A 18 GENIC homozygous 136894107 4 77393391 77393392 C T 15 GENIC homozygous 137096648 4 77394334 77394335 A T 14 GENIC homozygous 137096649