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Allele is word used by Mendel for counter parts of an elementon later called factor and renamed as gene e.g. T and t are alleles for a gene that controls height in pea plant .Nasty allele is not biological term .

Note word elementon is technical term used by Mendel , it is not element used in Chemistry .

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Q: What is an allele and what is a nasty allele?
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Related questions

Is hemophilia A sex-linked?

No. It is caused by a recessive allele on the X chromosome.


What is allele masked by the dominant allele?

The Allele That Is Covered By The Dominant Allele Is The Recessive Allele.


What is the alternate form of a gene?

The answer is allele


An allele that is dominated or cover up by another allele is called what?

It should be a dominant allele--a dominant allele's trait will be expressed over the recessive allele's trait.


What is a dominent allele?

A dominant allele is an allele that can take over a recessive allele, so if you have a dominant allele and a recessive allele, then the offspring will most likely have a dominant allele over a recessive allele. The dominant allele is expressed over the recessive allele.


Allele that prevents the expression of a recessive allele?

A dominant allele


What is the difference between an inactive allele and an expressed allele?

The inactive allele is invisible in an organism while an expressed allele is the dominant allele and therefor is the phenotype.


When on e allele of a gene masks the presence of the other allele what form is masked?

The recessive allele.


What is an expressed allele in a heterozygote?

Dominant allele as opposed to recessive allele.


Is albinism controlled by a dominant allele or by a recessive allele?

Recessive allele.


What is an allele that always shows up in an organism's phenotype called - an allele that masks the other allele?

The dominant allele.


Does a recessive allele need another recessive allele to be expressed?

I think if an allele "want" to be expressed, then it has to have a dominant allele. They don't need another recessive allele.