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An allele is one of the alternative forms of a gene that governs a trait. If a fern plant is heterozygous for a particular trait how can the alleles that control that trait be described?
one dominant, one recessive
An allele is one of the alternative forms of a gene that governs a trait If a fern plant is heterozygous for a particular trait how can the alleles that control that trait be described?
If a fern plant is heterozygous for a particular trait, it means it carries two different alleles for that trait. The alleles can be described as one dominant allele and one recessive allele. The dominant allele will typically determine the physical expression of the trait, while the recessive allele will not be visibly expressed in the plant.
The two or more related genes that control a trait are known as?
alleles
Cells containg two alleles for each trait are described as?
diploid.
When than two alleles control a trait?
The presence of more than two alleles that control a trait is called multiple allele. An example of this is the group gene of ABO blood that has three alleles.
What are the two alleles that control the appearance of a trait?
Dominant and Recessive Alleles Diploid organisms typically have two alleles for a trait. When allele pairs are the same, they are homozygous. When the alleles of a pair are heterozygous, the phenotype of one trait may be dominant and the other recessive.
The inheritence of a trait in humans is best described as being determined by?
One or more pairs of alleles
When more than two different alleles control a trait?
This phenomenon is known as multiple allelism, where there are more than two different variations of a gene (alleles) that can affect a single trait. In this case, individuals can inherit one of several possible alleles for the trait. Examples include the ABO blood group system in humans, where there are three alleles (IA, IB, i) that determine a person's blood type.
A trait controlled by four alleles is said to have?
A trait controlled by four alleles is said to have multiple alleles.
What If parents supplied different alleles for a certain trait to their offspring terms would be used to describe the offspring?
If parents supply different alleles for a certain trait to their offspring, the offspring are described as heterozygous for that trait. This means they possess two different alleles, one inherited from each parent. In contrast, if the offspring received the same allele from both parents, they would be termed homozygous for that trait. The expression of the trait may depend on whether the alleles are dominant or recessive.
How do multiple alleles control the trait?
In the case of multiple alleles, one trait is governed by more than two alleles. One example is the human ABO blood group. There are three alleles, A, B, and O. A person can, however, only inherit two of the three alleles.
Where are alleles for a given trait inherited from?
The alleles for a given trait are inherited from an individual's parents.
