|LC Classifications||PS3573.I44975 L48 1996|
|The Physical Object|
|Pagination||255 p. ;|
|Number of Pages||255|
|LC Control Number||96015647|
Like Linda Grant's previous books, this one is fast-paced and sharp with a nice touch of humor. No one seems more surprised than Catherine Saylor, childless career-woman that she is, when her gut reactions to her niece's wild behavior result in far more effective parenting than the girl gets from her own mother.4/5(2). Lethal genes. [Linda Grant] -- In San Francisco, PI Catherine Sayler investigates sabotage in a university's agricultural laboratory. Someone is killing researchers working on . The Paperback of the Lethal Genes (A Catherine Sayler Mystery) by Linda Grant at Barnes & Noble. FREE Shipping on $35 or more!Pages: By ‘lethal gene’ Dawkins means an essential gene with a mutation that renders it inactive. With a recessive gene, the one ‘good’ copy in the heterozygote provides enough gene-product to allow survival, in contrast to the situation in the homozygote where the total absence of gene-product is lethal.
Lethal Genes. Certain genes which cause the death of organism (if present in them) during early stages of development are known as lethal genes. Two dominant or recessive genes in homozygous condition cause the death of the organism. The individual survives only in heterozygous condition. The phenotypic and genotypic ratio in F2 will be Types of Lethal Genes: Lethel genes may be classified in to the following groups: 1. Recessive lethals. 2. Dominant lethals. 3. Conditional lethals. 4. Balanced lethals. 5. Gametic lethals. 1. Recessive lethal: Most of the lethal genes are recessive lethals. It is expressed only when they are in homozygous condition. A second well known horse genetics example of a lethal gene is that which causes the white pattern in overo horses. There are various different genes that cause white coat patterning in paints or coloured horses, and overo is genetically distinct from other white patterns such as tobiano and sabino. Murphy also wrote the screenplay for Lethal Weapon 2. He is the author of the Trace and Digger series. With Molly Cochran, he completed two books Warren Murphy was an American author, most famous as the co-creator of The Destroyer series, the basis for the film Remo Williams: The Adventure Begins/5.
Zygotic Lethal Gene. R.K. Herman, in Encyclopedia of Genetics, A zygotic lethal gene is a gene that leads invariably or almost invariably to the death of an organism prior to the reproductive stage. ‘Zygotic’ in this case refers to the organism that develops from a . Re: sex-linked lethal gene in the fowl [QUOTE=Camarines;]Floyd Gurley's book (cont.) Another example of a lethal gene in fowl (in this case, not sex linked) is the topknot, which gives rise to Toppie fowl. The pleiotropic gene may be lethal when one of its effects becomes the cause of the death of an individual. Such type of gene is known as the lethal gene. The lethal genes cause a great deviation from the normal development of an individual. Hence, that individual does not survive. Due to the lethal gene, the abnormal ratio is brought about. Lethal genes: Example of Dominant and Recessive lethals. Some genes have serious effects that the organism is unable to live. Alleles whose effects is to kill bearers of certain genotypes are called lethal genes. Lethal gene were first discovered by Cuenot. In absolute lethality individual die in embryonic stage.