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Both of the alleles must be recessive.
The trait expressed is a recessive trait.
What else can I help you with?
When neither allele is dominant what are they expressed as?
Both of the alleles must be recessive. The trait expressed is a recessive trait.
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 is it when an allele is neither dominant nor recessive?
When an allele is neither dominant nor recessive, it means that both alleles equally influence the trait. This is known as codominance, where both alleles are expressed in the phenotype of the individual.
When the alleles of a gene pair are expressed differently but neither is dominant to the other?
Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the ABO blood group, where alleles A and alleles B are both expressed.
What are the circumstances under which dominant alleles will be expressed?
Dominant alleles are expressed when an individual has at least one copy of the dominant allele in their genotype. This means that even if there is a recessive allele present, the dominant allele will be the one observed in the phenotype. Dominant alleles mask the expression of recessive alleles when they are both present in an individual's genetic makeup.
What Allele expressed in homozygote?
A heterozygous individual has two different alleles. Depending on the type of dominance for the particular gene there are several different outcomes: If one allele is completely dominant over the other then this will be expressed. If they are codominant, then both will be expressed. The human blood type AB is an example of this - both A and B are expressed, neither is repressed by the other. Another possibility is incomplete dominance - where the phenotype (characteristic) is a mix of both (a trait in-between). For example a snap-dragon with red and white alleles will be pink.
When a trait is not expressed when paired with a dominant allele is the definiton of?
The trait that is not expressed when paired with a dominant allele is known as a recessive trait. It is masked by the dominant trait in individuals carrying both alleles.
When are both alleles expressed in offspring?
Both alleles are expressed in offspring when neither allele is dominant over the other, resulting in co-dominance. This means that both alleles are simultaneously expressed in the offspring's phenotype.
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
Which is expressed a dominant or recessive allele and which is passed on to the offspring?
A dominant allele is expressed when an individual carries one or two copies of that allele. A recessive allele is only expressed when an individual carries two copies of that allele. Dominant alleles are typically passed on to offspring if at least one parent carries the dominant allele.
According to the rule of dominance if two different alleles are present is the dominant allele expressed?
the dominant allele is expressed when two (assuming you mean dominant and recessive) alleles are present. however, if the alleles are codominant they are both expressed.
How does phenotype affect phenotype?
In codominance, in which an organism is heterozygous for a trait, both phenotypes are expressed equally because both alleles are dominant. An example is a tortoise shell cat. Tortoise shell cats have both black and orange fur because they have both a dominant black allele and a dominant orange allele for coat color. The black fur is expressed by the allele for black fur and the orange fur is expressed by the allele for orange fur.
