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Biology 8 Online
OpenStudy (anonymous):

what does multiple allele mean??? can u give an ex also plZ??

OpenStudy (anonymous):

multiple alleles Three or more alternative forms of a gene (alleles) that can occupy the same locus. However, only two of the alleles can be present in a single organism. For example, the ABO system of blood groups is controlled by three alleles, only two of which are present in an individual.

OpenStudy (anonymous):

what else i need three for my project

OpenStudy (anonymous):

what?

OpenStudy (anonymous):

an example

OpenStudy (anonymous):

@Victoriasushchik

OpenStudy (anonymous):

kinda

OpenStudy (victoriasushchik):

Multiple alleles means that there are three or more forms of a gene for a trait. That doesn't mean that a person can have all three of them. The person still only gets two ... it's just that there are three or more of the alleles in the gene pool that are available.

OpenStudy (anonymous):

can u guys give me like three examples i need some examples for my project

OpenStudy (victoriasushchik):

For example, in Mendel's pea investigations, he found that there was a gene that determined the color of the pea pod. One form of it (one allele) creates yellow pods, & the other form (allele) creates green pods. Get it? Two possible phenotypes of one trait (pod color) are determined by two alleles (forms) of the one "color" gene.

OpenStudy (anonymous):

thank you

OpenStudy (victoriasushchik):

your welcome!

OpenStudy (victoriasushchik):

do you need more examples???

OpenStudy (victoriasushchik):

example: The human ABO blood type is a good example of multiple alleles. Humans can have red blood cells that are of type A (IA), type B (IB), or type O (i). These three different alleles can be combined in different ways following Mendel's Laws of Inheritance. The resulting genotypes make either type A, type B, type AB, or type O blood. Type A blood is a combination of either two A alleles (IA IA) or one A allele and one O allele (IAi). Similarly, type B blood is coded for by either two B alleles (IB IB) or one B allele and one O allele (IBi). Type O blood can only be obtained with two recessive O alleles (ii). These are all examples of simple or complete dominance.

OpenStudy (victoriasushchik):

@BAYERNSOCCERTEAMAREBEST

OpenStudy (anonymous):

thank you

OpenStudy (victoriasushchik):

thnkz

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