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What is the difference between epistasis and dominance in genetic inheritance?
Epistasis occurs when one gene masks the expression of another gene, while dominance is when one allele of a gene is expressed over another allele. In epistasis, the interaction between genes affects the phenotype, while in dominance, one allele is dominant and determines the phenotype.
Allele that is always expressed if present?
An allele that is always expressed when it is present is the dominant allele.
Which form of gene pair is expressed when both dominant and recessive are present?
In a situation where both a dominant and recessive allele are present in a gene pair, the dominant allele will be expressed phenotypically. The presence of a dominant allele overrides the expression of the recessive allele.
What type of allele masks the expression of the recessive allele and is therefore expressed in the heterozygous?
A dominant allele will mask the prsence of a recssive allele
True or False In heterozygous individuals only the recessive allele is expressed?
In heterozygous individuals, only the dominant allele is expressed. The recessive allele is present, but not expressed
What is the difference between a gene allele Chromosome and trait?
Alleles are alternate versions of genes that code for certain phenotypes, or traits. The traits of an individual are a result of the interaction between their genotype (alleles) and the environment.
What allele is expressed in a heterozygote?
The allele not expressed is referred to as a recessiveallele.
What is e difference between a dominate and recessive allele?
The answer is that The difference is that dominant dominates, and recessive is dominated.
Does recessive allele is expressed if there is no dominant allele present?
Yes, a recessive allele will be expressed if there is no dominant allele present in the genotype. This is because in the absence of a dominant allele, the recessive allele has the opportunity to be expressed in the phenotype.
Does a recessive allele need another recessive allele to be expressed?
Yes, a recessive allele needs to be paired with another recessive allele in order to be expressed. This is because recessive alleles are only expressed when an individual has two copies of the recessive allele, one from each parent. If an individual has one dominant allele and one recessive allele for a particular trait, the dominant allele will be expressed.
What is the difference between dominant and recessive alleles for specific traits?
Dominant is an allele that will always be expressed in a heterozygous individual. Recessive on other hand are traits that will only be expressed in a homozygous condition. Organisms receive one allele for each trait from each parent, thus you have two alleles for each trait.
What is the difference between epistasis and dominance in genetic inheritance?
Epistasis occurs when one gene masks the expression of another gene, while dominance is when one allele of a gene is expressed over another allele. In epistasis, the interaction between genes affects the phenotype, while in dominance, one allele is dominant and determines the phenotype.
What is the term for an allele that is not expressed in the phenotype of a heterozygous individual?
incomplete dominance source: PH Bio textbook
Allele that is always expressed if present?
An allele that is always expressed when it is present is the dominant allele.
What is an expressed allele in a heterozygote?
Dominant allele as opposed to recessive allele.
The difference between a dominate and a recessive trait is?
A dominant trait is expressed when an individual has one or two copies of the dominant allele, while a recessive trait is only expressed when an individual has two copies of the recessive allele. Dominant traits mask the expression of recessive traits in heterozygous individuals.
What does a dominant allele does this to another allele?
A dominant allele will mask the expression of a recessive allele when they are present together in an organism. The dominant allele will be expressed, while the recessive allele will not be visibly expressed in the organism's phenotype.
