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Dictionary » L » Linked genes

Linked genes

Definition

noun, singular: linked gene

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


Supplement

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: maping and linkage problems

Genetic linkage occurs when particular genetic loci or alleles for genes are inherited jointly. Genetic loci on the same chromosome are physically ... and tend to stay together during meiosis, and are thus genetically linked. This is called autosomal linkage. Alleles for genes on different chromosomes ...

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by teachncljul09
Wed Aug 19, 2009 11:49 am
 
Forum: Genetics
Topic: maping and linkage problems
Replies: 4
Views: 166

Pitfalls of Evolutionary Psychology: Exaptation

... psychologists might claim, we would expect that modification of genes could result in alternative behaviors. I question what we would change ... with survival of the fittest or genetic propensities that are directly linked to a behavior. With respect to adultery I might argue that a primary ...

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by jeremyo
Mon Aug 17, 2009 12:12 am
 
Forum: Evolution
Topic: Pitfalls of Evolutionary Psychology: Exaptation
Replies: 3
Views: 133

Photosynthesis

... very popular (i.e. gene chip analyses), where the expression of many linked genes can be detected and analysed. So, tools that are commonly used, in addition to what MrMistery ...

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by biohazard
Thu Aug 13, 2009 10:42 am
 
Forum: Cell Biology
Topic: Photosynthesis
Replies: 10
Views: 263

Mode of Inheritance when given F2 generation data

... data I am supposed to hypothesize the mode of inheritance of genes when given the F2 data--the F2 numbers of a cross between two, true-breeding ... The gene alleles can be either or recessive, and autosomal or x-linked. F2 Data: wild type, males 62 wild type, females 108 orange eyes, ...

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by linuxux
Tue Jul 28, 2009 10:51 am
 
Forum: Genetics
Topic: Mode of Inheritance when given F2 generation data
Replies: 2
Views: 139

heritability of Z-linked trait

... 1. Paternal grandfather- male grandoffspring regression 2. Maternal grandfather- male grandoffspring regression For traits codified by genes located in the autosomes, I know that I would have to multiply the regression coefficients by 4 in each one of both regressions. But, were the ...

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by Tweedy
Thu Jul 09, 2009 7:50 am
 
Forum: Genetics
Topic: heritability of Z-linked trait
Replies: 2
Views: 134
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