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In a human cell, each locus typically has two alleles, one inherited from each parent. This diploid nature allows for genetic diversity and variation within a population. However, in gametes (sperm and egg cells), there is only one allele per locus due to the process of meiosis, which reduces the chromosome number by half.

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Are All alleles at a specific gene locus are identical?

No, all alleles at a specific gene locus are not identical. Alleles are different forms of a gene that can result in different traits or characteristics. Each individual inherits two alleles for each gene, one from each parent. These alleles may be the same (homozygous) or different (heterozygous).


Where is location of different alleles of the same gene?

One of the different alleles would be at the same gene locus on each of the paired chromosomes.


What has multiple alleles?

more than two alternative form of a gene in a population occupying same locus on a chromosome or its homologous are called multiple alleles example--------blood group in human being -------- drosophila has 15 alleles for eye colour ---------- rabbit has 4 alleles for coat colour


What are the characteristic of multiple alleles?

1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc


What is the difference between a factor and an allele?

A locus is a particular location or a marker on a chromosome. It can be a gene but really only needs to be an identifiable location on the chromosome. Alleles differ in that they refer to a particular sequence of DNA at a given locus. The distinction from loci is that multiple alleles can exist for the same locus. http://www.informatics.jax.org/silverbook/glossary.shtml

Related Questions

Are All alleles at a specific gene locus are identical?

No, all alleles at a specific gene locus are not identical. Alleles are different forms of a gene that can result in different traits or characteristics. Each individual inherits two alleles for each gene, one from each parent. These alleles may be the same (homozygous) or different (heterozygous).


Where is location of different alleles of the same gene?

One of the different alleles would be at the same gene locus on each of the paired chromosomes.


How many alleles do your gametes have?

Gametes should contain one allele for each gene locus. This means that gametes will have one allele for each of the genes on the chromosomes they are carrying. It is estimated that humans have about 20,000-30,000 genes - meaning each gamete would therefore have 20,000-30,000 alleles.


About how many genes do horses have?

An individual Thoroughbred cannot have more than two different alleles for each gene locus, one on each chromosome. How many alleles are available at a certain gene locus is variable based on what the gene controls and how many alleles are available and their frequency in the population.


How many copies of a gene does each somatic cell have?

One. A gamete is a haploid cell containing one copy of each chromosome (23 in humans). Each chromosome contains one copy of each gene. Therefore, a gamete contains one copy of each gene.


Genes that have more than two possible alleles are said to have?

multiple alleles. These are alternative forms of a gene that can exist at the same locus on a chromosome. Each individual still carries only two alleles, but the population as a whole may have more than two different alleles for that gene.


What are examples for the word allele?

The term allele is often used interchangeably with the word gene. Allele/gene is used for the variations seen at each gene locus for a trait on the homologous chromosome pair. For example: If there are three alleles for a trait only two of the alleles will be represented in the genotype of any one individual. The alleles for basic blood types A, B and O are examples. In general the term allele is not used interchangeably with gene in conjunction with the terms locus or loci..therefore Gene locus or gene loci but not allele locus or allele loci.


What has multiple alleles?

more than two alternative form of a gene in a population occupying same locus on a chromosome or its homologous are called multiple alleles example--------blood group in human being -------- drosophila has 15 alleles for eye colour ---------- rabbit has 4 alleles for coat colour


How many alleles can occur at a microsatellite locus?

Most alleles are either present or absent, which gives two choices. Those which are not, say for skin color of mixed-race heritage, can exhibit a large number of possibilities, and though the exact count might be difficult to determine, it is of course finite.


How many alleles does a zygote have for each trait?

No - some traits are polygenetic (such as for skin color, eye color, hair color, etc.) and will have multiple alleles.


What are the characteristic of multiple alleles?

1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc


What is the difference between a factor and an allele?

A locus is a particular location or a marker on a chromosome. It can be a gene but really only needs to be an identifiable location on the chromosome. Alleles differ in that they refer to a particular sequence of DNA at a given locus. The distinction from loci is that multiple alleles can exist for the same locus. http://www.informatics.jax.org/silverbook/glossary.shtml