In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.

[Q]:  The tumor suppressor gene Smad4 / Dpc4 is required for gastrulation and later for anterior development of the mouse embryo .
[A]: tumor


[Q]:  Genetic mapping of the copper toxicosis locus in Bedlington terriers to dog chromosome 10 , in a region syntenic to human chromosome region 2p13 - p16 .
[A]: copper toxicosis


[Q]:  Direct sequencing of amplified C9 cDNA and DNA revealed a nonsense substitution ( CGA - - > TGA ) at codon 95 in exon 4 in the four C9 - deficient individuals .
[A]:
C9 - deficient