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ViviApterous wings are typically a recessive trait in insects. This means that an individual must inherit two copies of the apterous allele to exhibit the wingless (apterous) phenotype. If an individual has one copy of the apterous allele and one copy of the dominant allele for normal wings, they will have normal wings.
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When does a recessive trait dominant over a dominant trait?
A recessive trait cannot be dominant over a dominant trait. Dominant traits are always expressed over recessive traits in heterozygous individuals because they mask the expression of the 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 dominant recessive?
Dominant and recessive are terms used to describe how a particular allele (gene variant) is expressed in an individual's phenotype. A dominant allele will be expressed even if only one copy is present, while a recessive allele needs two copies to be expressed. Dominant traits mask the expression of recessive traits in an organism.
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).
What is the different between dominant and recessive?
Dominant traits are expressed when an individual carries at least one copy of the dominant allele, while recessive traits are expressed only when an individual carries two copies of the recessive allele. Dominant alleles mask the expression of recessive alleles in heterozygous individuals.
