Dictionary » Q » Quantitative trait

Quantitative trait



A trait produced by the interaction and additive effects of quantitative genes


Examples of quantitative traits are height, weight, skin color, and predisposition to heart diseases. Quantitative traits differ from monogenic trait by involving many genes acting together to produce a trait that does not follow a Mendelian inheritance pattern.



See also:

Please contribute to this project, if you have more information about this term feel free to edit this page

Results from our forum

What is qualitative trait loci?

... in sorghum, the resistance response appears to be controlled by several quantitative trait loci (QTLs) that account for a significant portion of the resistance phenotype." ...

See entire post
by Holmes
Mon Oct 08, 2012 2:53 pm
Forum: General Discussion
Topic: What is qualitative trait loci?
Replies: 1
Views: 1827

Evolution questions

... leaves must be adapted for sunnier conditions. d. this must be a trait that expresses quantitative variation. e. natural selection cannot act on the trait of leaf morphology. my ...

See entire post
by Ryosuke
Fri Nov 18, 2011 7:21 am
Forum: Evolution
Topic: Evolution questions
Replies: 1
Views: 5789

Re: The Genie and the Bottle; When a Genotype is not a Genotype

Trait: trait A qualitative characteristic; a discrete attribute as contrasted with metrical character. A trait is amenable to segregation rather than quantitative analysis; it is an attribute of phenotype, not of genotype. Origin: Fr. From L. Tractus, ...

See entire post
by Crucible
Sun Oct 23, 2011 9:41 pm
Forum: Evolution
Topic: The Genie and the Bottle; When a Genotype is not a Genotype
Replies: 6
Views: 5804

About Physiological Darwinism:From Fitness to Optimality

... different organisms' adaptation levels, in order to solve the issues in quantitative analysis of adaptation. Thus they created the measurable concept ... at gene's carrier (phenotype). And it is not a selection aiming at one trait of the phenotype, but a holistic selection aiming at the phenotype ...

See entire post
by wellalt
Thu Nov 12, 2009 11:15 pm
Forum: Evolution
Topic: About Physiological Darwinism:From Fitness to Optimality
Replies: 13
Views: 17448


... over time. Populations evolve, not Individuals. as i said before if a trait appears in population which is not present in its parents population ... Read On the origin of Species if you don't believe me. Many traits are quantitative (under contol of many genes) and thus can change rapidly by ...

See entire post
by robsabba
Wed Sep 23, 2009 2:47 pm
Forum: Evolution
Topic: New species since humans?
Replies: 34
Views: 15447
View all matching forum results

This page was last modified 17:25, 4 August 2011. This page has been accessed 16,284 times. 
What links here | Related changes | Permanent link