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Linked genes


noun, singular: linked gene

Genes that are inherited together with the other gene(s) as they are located on the same chromosome.


When a pair or set of genes are on the same chromosome, they are usually inherited together or as a single unit. For example, in fruit flies the genes for eye color and the genes for wing length are on the same chromosome, thus are inherited together.

(Not to be confused with sex-linked gene, which refers to a gene located on one of the sex chromosomes).

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Re: Why do Africans have large noses and lips?

... answer to this specific question, but we do know some things about how genes are linked on DNA. Sometimes a trait that is helpful for survival is very closely associated with ...

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by anneland
Sun Mar 09, 2014 6:54 pm
Forum: Human Biology
Topic: Why do Africans have large noses and lips?
Replies: 31
Views: 217422

Re: Genes in the same linkage group are inherited together?

The map distance tells you how closely linked the genes are. The shorter the map distance, the higher the probability of co-inheritance and the more tightly ...

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by jonmoulton
Wed Jul 17, 2013 2:51 pm
Forum: Genetics
Topic: Genes in the same linkage group are inherited together?
Replies: 5
Views: 3533

Help??? Genetics problem cannot figure it out?

Genes for color blindness and hemophilia are linked on the X-chromosome in humans with a recombination frequency of 30%. A woman whose father was a color blind ...

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by adamk92
Sun Feb 17, 2013 10:29 pm
Forum: Genetics
Topic: Help??? Genetics problem cannot figure it out?
Replies: 2
Views: 2538

Questions about phenotypic plasticity

... that is selected for when the environment is variable. This ability is linked to a certain genotype (or set of genotypes). If the environment becomes ... without phenotypic plasticity may still reproduce, passing its static genes on. In order for the lack of plasticity to become fixed, some other ...

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by Luxorien
Sun Dec 23, 2012 9:08 pm
Forum: Evolution
Topic: Questions about phenotypic plasticity
Replies: 3
Views: 3650

Re: (un)linked genes


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by wbla3335
Wed Dec 19, 2012 5:54 am
Forum: Genetics
Topic: (un)linked genes
Replies: 1
Views: 1439
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