chr start stop reference nuc variant nuc depth genic status zygosity variant ID 7 2710648 2710649 C T 23 GENIC homozygous 115545714 7 2711632 2711633 C T 10 GENIC homozygous 115545716 7 2711777 2711778 C T 16 GENIC homozygous 115545718