Dictionary » M » Multiple alleles

Multiple alleles



Three or more alleles for a particular gene


Typically, there are only two alleles for a gene in a diploid organism. The presence of multiple alleles is best illustrated by the ABO blood group system and the HLA genes.

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Genetics behind hazel eyes?

... at times) which confuses me a lot as to how she got that and what her alleles are (although I am sure she received 1 allele for blue eyes from ... B (brown eyes) and ? (Recessive)? There was this theory that appeared multiple times on the internet about the genetics behing hazel eyes, saying ...

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by Montario
Fri Aug 03, 2012 10:00 pm
Forum: Genetics
Topic: Genetics behind hazel eyes?
Replies: 1
Views: 11720

Additive Effects vs Epistatic Effects

... two definitions. Heres what I know: Additive effects are when genes @ multiple loci can independently contribute to a phenotype. Epistatic - I'm ... question to the offspring. Does this mean that that the effects of the alleles at the SAME loci must ALSO be additive? Now what about in the case ...

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by ReMuSoMeGa
Tue Jan 24, 2012 10:45 pm
Forum: Genetics
Topic: Additive Effects vs Epistatic Effects
Replies: 1
Views: 3856

Re: Re:

... word "mutation". I think it's due to usage of words that have multiple meanings, and the user switching back and forth. It should be understood ... was a dark morph. the gene(s) controlling colour had many different alleles within the population. Before the pollution, the dark forms were ...

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by Crucible
Tue Nov 08, 2011 6:05 pm
Forum: Evolution
Topic: Evolutionists Show of Shutting Down the Debate
Replies: 71
Views: 37597

PZ Meyers struggles with High School Biology

... of masked variation, synergistic interactions between different alleles and the environment, and perhaps most importantly, changes in gene ... solely the product of a single gene. Traits are polygenic, meaning that multiple genes cooperate to produce a a phenotype. One pet peeve I (and many ...

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by Crucible
Fri Oct 21, 2011 12:28 pm
Forum: Evolution
Topic: PZ Meyers struggles with High School Biology
Replies: 4
Views: 4695

Fur color of Himalayan rabbits

Hi all, I have a multiple choice problem where I do not understand the official answer. The Himalayan variety ... face. The allele for the Himalayan rabbit pigment pattern, c^h, is recessive to the alleles for normal color (all hair agouti), C, as well as dark chinchilla (all hair dark ...

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by hartfan
Fri Jun 24, 2011 2:09 pm
Forum: Genetics
Topic: Fur color of Himalayan rabbits
Replies: 1
Views: 6670
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