Definition Of Lethal Gene

Also called le thal fac tor le thal muta tion.

Definition of lethal gene. Lethal gene definition is a gene that in some such as homozygous conditions may prevent development or cause the death of an organism or its germ cells called also lethal factor lethal mutant lethal mutation. Information and translations of lethal gene in the most comprehensive dictionary definitions resource on the web. A gene that is fatal for the zygote the cell formed by the union of a sperm and an egg. Lethal gene synonyms lethal gene pronunciation lethal gene translation english dictionary definition of lethal gene.

Lethal alleles also referred to as lethal genes or lethals are alleles that cause the death of the organism that carries them. However a zygotic lethal gene kills prenatal development at its earliest point. They may even cause death of the individual either in homozygous dominant or homozygous recessive condition. Lethal gene definition a gene that under certain conditions causes the death of an organism.

Any gene that has an effect that causes the death of the organism at any stage of life a genes whose effect on the phenotype is profoundly negative and causes the organism to exhibit many disadvantageous characteristics which can eventually lead to death lethal gene a gene that produces a genotype that leads to death of the organism before. There are some genetic factors or genes when present in any organism cause its death during early stage of development. Random house kernerman webster s. Lē thăl jēn a gene that produces a genotype that leads to death of the organism before reproduction is possible or that precludes reproduction.

Meaning of lethal genes. A gene that causes death during some immature stage in the development of an organism meaning pronunciation translations and examples. They are usually a result of mutations in genes that are essential for growth or development. Medical dictionary for the health professions and nursing farlex 2012.

It has been observed that all genes or genetic factors are not useful to the organism. For a recessive gene the homozygous or hemizygous state is lethal.