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Dictionary » G » Gene

Gene

Definition

noun, plural: genes

(cell and molecular biology)

The fundamental, physical, and functional unit of heredity.


Supplement

It is because a gene is a segment of DNA (on a specific site on a chromosome) that is responsible for the physical and inheritable characteristics or phenotype of an organism. It also specifies the structure of a protein, and an RNA molecule.

A gene is formerly called a factor.


Word origin: German Gen, from gen-, begetting, in Greek words (such as genos, race, offspring).
Derived forms: genetic (adjective).
Synonym: factor (obsolete).
See also: DNA, allele, recessive, dominant.


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Natural selection wrong due to transmission of harmful genes

It is shown Natural selection is wrong due to transmission of harmful genes http://gamahucherpress.yellowgum.com/books/philosophy/Natural_selection.pdf 'THE REFUTATION. EVOLUTIONARY THEORY: NATURAL SELECTION SHOWN TO BE WRONG' natural selection is natural selection, ...

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by gamila
Tue Jun 02, 2009 3:22 pm
 
Forum: Evolution
Topic: Natural selection wrong due to transmission of harmful genes
Replies: 2
Views: 23

Re: Any other explanations other than Mutation?

... landslides, ashes from volcanoes are good fossilizing events. An organism with an disadvantageous trait will die and not be able to pass on its genes depending on the severity of the disadvantage, so the possibility of that one mutant being fossilized is very small compared to the healthy gene ...

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by futurezoologist
Sun May 31, 2009 1:42 pm
 
Forum: Evolution
Topic: Any other explanations other than Mutation?
Replies: 4
Views: 308

malaria

... wasnt sure where to put this question , so here it is! anyone know - biologically how does sickle cell anaemia protect against malaria. i know the gene protects it but i need to know in full details. is it the heterozygous or homozygous that protects , many books and sites conflict with eachother ...

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by michyd
Sat May 30, 2009 11:52 am
 
Forum: General Discussion
Topic: malaria
Replies: 2
Views: 51

Re: Any SOLID arguments against evolution?

... to have offspring the entire population no longer chooses to pair-up together. Or a population that became isolated from another can experience genetic drift that forces them forever apart. In some cases speciation happens very slowly by taking small learning steps, one gene or epigentic switching ...

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by GaryGaulin
Sat May 30, 2009 5:24 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 100
Views: 1605

Re: Any SOLID arguments against evolution?

... them. No.2 If Adam and Eve are just a bible story then there is no inherited sin that was passed down from Adam--that is a sin nature in our genes that makes us want to do opposite the law of God. No.3 If there is no sin nature, nor death as a result of our sin, then there is no need for ...

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by GaryGaulin
Sat May 23, 2009 6:05 am
 
Forum: Evolution
Topic: Any SOLID arguments against evolution?
Replies: 100
Views: 1605
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