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What carrier of a trait controlled by a allele does not express the trait?
A carrier of a trait controlled by a recessive allele possesses one copy of the recessive allele and one copy of the dominant allele. This means that they do not express the trait associated with the recessive allele because the dominant allele masks its effect. However, the carrier can pass the recessive allele to their offspring, who may express the trait if they inherit two copies of the recessive allele.
What is a carrier and how does it affects heredity?
A carrier is somebody has has a specific gene trait but does NOT express it.
What is a person who has recessive allele for a trait but does not express that trait?
They would be considered a carrier. ------------------------------- More precisely a heterozygote. A carrier would imply that the recessive trait causes disease.
What is a genetic carrier?
A carrier is a person who carries a gene(most-likely for a genetic disorder) but do not have the trait controlled by the gene.
What does a half shaded circle or square indicate in a pedigree?
A half-shaded circle or square in a pedigree indicates that the individual is a carrier of a certain genetic trait. This means they have one copy of the gene for the trait but do not express the trait themselves.
What genotype is used to describe a carrier?
A carrier for a recessive genetic trait is typically described with a heterozygous genotype, represented as "Aa." In this case, "A" denotes the dominant allele, while "a" represents the recessive allele. The carrier possesses one copy of the recessive allele but does not express the trait associated with it, as the dominant allele masks its effects.
What is a trait carrier?
An organism can have the gene without it necessarily manifesting into a trait. In that case they would be a carrier.
An individual with a recessive allele for an undesirable trait is called?
A carrier. This individual may not show the undesirable trait, but can pass on the recessive allele to their offspring.
Albinism is a recessive trait in humans that is controlled by a single gene how many recessive alleles must a person have to have albinism?
2
Are II-1 and II-2 carriers of the trait?
Without specific information on the trait in question or the family pedigree, it is impossible to determine if II-1 and II-2 are carriers. A carrier typically refers to an individual who has a recessive allele for a genetic trait but does not express the trait themselves. Genetic testing and analysis of multiple family members would be needed to confirm carrier status.
What does carrier mean in science terms?
A carrier is an organism that inherits a specific genetic trait but does not show the trait in their phenotype, or physical appearance.
What is the genotype of a carrier of recessive disorder?
A carrier is someone who does not have a disorder but carries the allele on to offspring.
