Dictionary » T » Traits

Traits

Definition

‘’noun , singular: trait‘’

(genetics) Characteristics or attributes of an organism that are expressed by genes and/or influenced by the environment.


Supplement

Traits include physical attributes of an organism such as hair color, leaf shape, size, etc., and behavioral characteristics, such as bird nesting.


Word origin: L tractus.
See also: phenotype, inheritance, gene


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Please answer: Group selection and Sociobiology

... doing so) I've read on a topic called group selection but I haven't fully understood it yet. I know that group selection is the idea that genetic traits (specific genes or mutations of genes) accumulate in a group of individuals because that trait is advantageous. Some scholars I've heard reject ...

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by Veritophilia
Sun Feb 23, 2014 11:07 pm
 
Forum: Human Biology
Topic: Please answer: Group selection and Sociobiology
Replies: 1
Views: 208

how are genes the unit of replication?

1) you can have traits encoded by single gene as well 2) the genes coding for one trait are usually spread around the genome. That'd be it, I guess.

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by JackBean
Thu Jan 30, 2014 8:00 am
 
Forum: Genetics
Topic: how are genes the unit of replication?
Replies: 2
Views: 580

how are genes the unit of replication?

Hi, question here, and I hope I phrase this correctly: I understand that genes are the unit of replication in natural selection. But aren't traits ultimately stored in groups of genes? And is it not traits that are selected? So, if it's traits that are selected, how is it that genes are individually ...

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by johnkq
Wed Jan 29, 2014 1:58 pm
 
Forum: Genetics
Topic: how are genes the unit of replication?
Replies: 2
Views: 580

Re: Am I the Next Step in Human Evolution?

... Assuming that one is a step above the rest is somewhat arrogant in my opinion and ignoring human variation. One can have a variety of advantageous traits, but it doesn't mean it is the next step in evolution. If they give you an advantage in survival and reproduction, than yes, overtime the genes ...

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by badgertoes
Sat Dec 28, 2013 8:31 am
 
Forum: Evolution
Topic: Am I the Next Step in Human Evolution?
Replies: 23
Views: 24017

The Selfish Gene

... gene? My understanding was it was the hereditary unit of information in an organism (in each cell?), and genes tell an organism how to form, what traits and characters it should have. But a gene is not a live, is it? It is not the cell itself. I don't know if I am just stupid, but why does the ...

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by NathanCroftonBond
Fri Nov 01, 2013 1:07 am
 
Forum: Evolution
Topic: The Selfish Gene
Replies: 2
Views: 1081
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