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A fixed allele is one that is the only variant present in a population - all individuals have the same allele at that particular genetic locus. This results from generations of breeding and the allele having reached a frequency of 100%. Fixed alleles can influence the genetic diversity and adaptation of a population.
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What is an fixed allele APEX?
an allele present in all members of a population- APEX
What is allele fixation?
An allele present in all members of a population
What is allele masked by the dominant allele?
An allele that is masked by the dominant allele is called a recessive allele. When an individual has one dominant allele and one recessive allele, only the trait determined by the dominant allele will be expressed. The recessive allele will only be expressed if an individual has two copies of it (homozygous recessive).
Allele that prevents the expression of a recessive allele?
A dominant allele
Is a recessive allele different from a dominant allele?
Yes, a recessive allele is masked or overridden by a dominant allele in a heterozygous individual. This means that the dominant allele's trait will be expressed. In contrast, a recessive allele's trait will only be expressed if an individual has two copies of the recessive allele.
What is an fixed allele APEX?
an allele present in all members of a population- APEX
What is allele fixation?
An allele present in all members of a population
What has happens when an allele becomes fixed?
When an allele becomes fixed in a population, it means that all members of the population now carry that allele and no genetic variation exists at that particular gene locus. This can occur through genetic drift or natural selection, resulting in the loss of diversity at that specific gene.
What term describes how often an allele is found in a population?
If color is 100 percent black then then genetic variation is 1
What are the Genotypes for free and fixed ear lobes in human beings?
The genotype for free ear lobes is usually represented as FF or Ff, where F stands for the dominant allele for free ear lobes. The genotype for fixed ear lobes is typically represented as ff, where f stands for the recessive allele for fixed ear lobes.
What is allele masked by the dominant allele?
An allele that is masked by the dominant allele is called a recessive allele. When an individual has one dominant allele and one recessive allele, only the trait determined by the dominant allele will be expressed. The recessive allele will only be expressed if an individual has two copies of it (homozygous recessive).
Allele that prevents the expression of a recessive allele?
A dominant allele
An allele that is dominated or cover up by another allele is called what?
An allele that is dominated or covered up by another allele is called a recessive allele. This means that the trait associated with the recessive allele is only expressed when an individual carries two copies of that allele.
What is the alternate form of a gene?
The answer is allele
When on e allele of a gene masks the presence of the other allele what form is masked?
The recessive allele.
Is albinism controlled by a dominant allele or by a recessive allele?
Recessive allele.
What is an expressed allele in a heterozygote?
Dominant allele as opposed to recessive allele.
