dominant lethal trait

dom·i·nant le·thal trait

trait, expressed in the phenotype if present in the genotype, which precludes having descendants. All such cases are necessarily sporadic and must represent new mutations as the usual methods of classic genetics provide no means of demonstrating any genetic component whatsoever, except for tenuous arguments such as advanced paternal age. Molecular biology may help although the methods may be tedious; if there is an epistatic gene that may mask the trait, the logic is more tractable, although complex.

单词	dominant lethal trait
释义	dominant lethal trait dom·i·nant le·thal trait trait, expressed in the phenotype if present in the genotype, which precludes having descendants. All such cases are necessarily sporadic and must represent new mutations as the usual methods of classic genetics provide no means of demonstrating any genetic component whatsoever, except for tenuous arguments such as advanced paternal age. Molecular biology may help although the methods may be tedious; if there is an epistatic gene that may mask the trait, the logic is more tractable, although complex.
随便看	end of world end-of-year end-of-year assessment end-of-year convention end of year questionnaire end of year report end of year tour end of you endogalvanism endogamic endogamicly endogamous endogamously endogamy endogastric endogastritis endo-gastro-duodenoscopy endogen endogeneous endogeneous retrovirus type 3 endogenesis endogenetic endogeneticly endogenic endogenic and exogenic