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What are alleles that have an effect on an organisms phenotype?
Alleles that have an effect on an organism's phenotype are called dominant alleles. Dominant alleles mask the effects of recessive alleles in heterozygous individuals, resulting in the dominant allele's phenotype being expressed.
What are inactive alleles?
Inactive alleles are versions of a gene that do not produce a functional protein or have reduced activity due to mutations. These alleles may not contribute to the individual's phenotype or may have a diminished effect compared to active alleles. Inactive alleles can result in genetic disorders or variations in traits.
What are the characteristic of multiple alleles?
1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc
What combinations of alleles could produce a trait controlled by a recessive alleles?
recessive + recessive or tt
What are alleles for a particular trait that are always expressed are said to be?
Dominant alleles. Dominant alleles will always be expressed in the phenotype, even if only one copy is present in the genotype.
In what alleles can be observed in the phenotype?
you mean phenotype, and its dominant alleles
Do all heterozygous pairs of alleles produce an intermediate?
No
What does alleles always come in?
Alleles are generally inherited in pairs, except for alleles on the X and Y sex chromosomes in males.
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.
Is it possible for 2 alleles to produce 4 phenotypes?
yes
Is it possible for two alleles to produce four phenotype?
yes
What are the Characteristics of multiples?
1) Multiple alleles are always on the same location (locus) on the alleles.2)they always effect the same character.3)They always occupy the same gene locus on chromosome.4)no crossing over is known to occur on chromosome.5)a single multiple allelic series affects only one trait _eye color etc
