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An organism can have the gene without it necessarily manifesting into a trait. In that case they would be a carrier.
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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.
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 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 a carrier and how does it affects heredity?
A carrier is somebody has has a specific gene trait but does NOT express it.
An organism that has two different alleles for a trait is a?
a carrier
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 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.
How do you show a female without a trait in a pedigree chart?
A normally colored circle. As a carrier of the trait, they are usually half-colored.
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.
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 type of alleles does a carrier have?
A carrier typically has one normal allele (wild type) and one mutated allele for a particular gene. Carriers do not display the symptoms of the genetic disorder associated with the mutated allele, but they can pass it on to their offspring.
What is the pattern of inheritance for a sex-linked recessive trait in a pedigree?
In a pedigree, a sex-linked recessive trait is passed down from carrier mothers to affected sons. Daughters of carrier mothers have a 50 chance of being carriers themselves. Sons of affected fathers do not inherit the trait.
