Assertion: mutation's gene | /r/HasProperty | mutant phenotype
Facets:
Source sentences:
text: Where a gene is only known by mutant phenotype, the gene is given the name and symbol of the first identified mutant.
text: If a new allelic mutation of a gene known only by mutant phenotype is caused by a transgenic insertion, the symbol of this mutation should use the symbol of the transgene (see below) as superscript.