lethal mutation

views updated May 14 2018

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill heterozygotes, whereas recessive lethals kill homozygotes only. See also VISIBLE.

A Dictionary of Plant Sciences MICHAEL ALLABY

lethal mutation

views updated May 29 2018

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill heterozygotes, recessive lethals kill homozygotes only. See also VISIBLE.

A Dictionary of Zoology MICHAEL ALLABY

lethal mutation

views updated May 17 2018

lethal mutation A gene mutation whose expression results in the premature death of the organism carrying it. Dominant lethals kill both homozygotes and heterozygotes, recessive lethals kill homozygotes only.

A Dictionary of Ecology MICHAEL ALLABY

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Lethal mutation

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