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By definition, an allele is another form of a gene wherein it is usually subjected to a mutation in which it could be either classified as dominant or recessive. In addition, the utilization of an allele is among the common causes for determining the trait of an organism because "it causes a certain type of protein to form."

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Tyreek Hills

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2y ago
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Christop Hodkiewicz

Lvl 13
1y ago

So, a trait is controlled at a gene locus. If the gene at this locus can produce more than one result, these variants are called alleles.

The term gene and allele are often used interchangably.

For example. If there are two alleles for hair coat color A and a, where A produces

a red hair coat and a produces a black hair coat a heterozygous individual would have one copy of each allele per chromosome.

Homozygous Dominant would be AA and the individual would be red

Heterozygous individuals would be Aa and red

Homozygous recessive indivduals would be aa and have black hair coats.

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Wiki User

15y ago

A gene is a section of DNA that codes for a trait E.G. eye colour. A gene is made up of several alleles one from each parent and this is how traits are passed on from parent to child. For more information on inheritance research Mendelian genetics

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Wiki User

12y ago

Well a gene is sort of like a chromosone or DNA. They all fall into the same category. Genes, I think, can cause you to hav the same color hair as your parents. Depending on whether you're male or femal you will have different genes. Ex. My sister has blue eyes like her mom but has red hair like her dad.

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12y ago

Genes are like the building blocks to traits, some are dominant, some are recessive to be simple with it. If a gene is dominant it will "show" for a particular trait. If a gene is recessive, it will only "show" if both of the genes to that trait are recessive.

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Q: How does a allele cause a trait in a organism?
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How does allel cause a trait an organism?

The allele causes a certain type of protein to form


Which is the dominant allele?

The dominant allele is the trait that shows up in the organism when the allele is present


How does an allele trait in an organism?

An allele causes a trait by either being dominant orrecessive or example, allele A will occur over allele a because it is dominant.


If a trait made an organism less likely to survive and reproduce what would happen to the allele for the trait?

The allele would not be passed on to further generations, as the organism cannot reproduce. There would be a smaller population of that organism who's genetic code does not contain the allele for that particular trait.


How can an organism have two different alleles for one trait but show one observable trait?

One allele would be dominant and the second allele would be recessive, so the organism would show only the dominant trait.


An organism carrying one dominant and one recessive allele for particular trait would be for that trait?

Heterozygous.


When an organism is carrying one dominant and one recessive allele for a particular trait what would be that trait?

Heterozygous


Is it true that an organism with a dominant allele for a particular form of a trait only exhibits the trait sometimes?

true


How does a dominant trait affect the phenotype of an organism?

If the the trait is controlled by only one allele and the allele is completely dominant then once inherited the offspring with exhibit that phenotype


An organism carrying one dominant and dominant and one recessive allele for a particular trait would be what for that trait?

Heterozygous.


What is definition of an allele?

An allele is an acquired trait which determines the phenotype and genotype of an organism.


What do scientist call an organisms that has two different alleles for a trait?

Heterozygous.