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Only when both genes in the pair are homozygous recessive, the expression will be masked, otherwise, if only one gene of the allelic pair is recessive and the other one is dominant, the expression of dominant gene will be apparent.

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In one allele is dominant to a recessive allele?

In a dominant-recessive allele relationship, the dominant allele will be expressed phenotypically over the recessive allele. This means that even if an organism carries one dominant and one recessive allele for a particular trait, the dominant allele will determine the observable characteristic.


Why is it not necessary when the dominant and recessive traits are known to use the term homozygous when referring to the genotype of an individual that has a recessive phenotype?

When the dominant and recessive traits are known, using the term "homozygous" for the recessive phenotype is redundant because it implies that both alleles are the same (rr for a recessive phenotype). It is clear that the individual is homozygous for the recessive allele by observing their phenotype.


When is the only time a recessive trait appears on a organism?

A recessive trait only appears in an organism when it is homozygous for that trait, meaning it has two copies of the recessive allele. This occurs when an organism inherits the recessive allele from both parents.


What is An organisms allele pairs?

An organism's allele pairs refer to the different forms of a gene present on each pair of homologous chromosomes. Each allele represents a variation of a particular gene and can be dominant or recessive. The combination of allele pairs determines an organism's genetic traits.


Which trait will a male exhibit if he carries a recessive allele on the X chromosome?

A male carrying a recessive allele on the X chromosome will exhibit the recessive trait. This is because the Y chromosome generally does not have matching genes for the X chromosome, unlike the other 22 pairs if chromosomes in the nucleus.

Related Questions

Is an organism with a recessive allele for a particular form of a trait will always exhibit that form true or false?

false


In one allele is dominant to a recessive allele?

In a dominant-recessive allele relationship, the dominant allele will be expressed phenotypically over the recessive allele. This means that even if an organism carries one dominant and one recessive allele for a particular trait, the dominant allele will determine the observable characteristic.


Why is it not necessary when the dominant and recessive traits are known to use the term homozygous when referring to the genotype of an individual that has a recessive phenotype?

When the dominant and recessive traits are known, using the term "homozygous" for the recessive phenotype is redundant because it implies that both alleles are the same (rr for a recessive phenotype). It is clear that the individual is homozygous for the recessive allele by observing their phenotype.


An organism carrying one dominant and one recessive allele for a particular trait would be what?

Heterozyous


An organism carrying one dominant and one recessive allele for particular trait would be for that trait?

Heterozygous.


When an organism is carrying one dominant and one recessive allele for a particular trait what would be that trait?

Heterozygous


What is an individual who has a recessive disease causing allele at a particular gene on one chromosome and a normal allele at that gene on the other chromosome?

An individual with a recessive disease-causing allele on one chromosome and a normal allele on the other chromosome is referred to as a heterozygote for that gene. Since the disease is recessive, the normal allele typically masks the effects of the recessive allele, meaning the individual usually does not exhibit symptoms of the disease. However, they can still pass the recessive allele to their offspring.


When is the only time a recessive trait appears on a organism?

A recessive trait only appears in an organism when it is homozygous for that trait, meaning it has two copies of the recessive allele. This occurs when an organism inherits the recessive allele from both parents.


An organism carrying one dominant and dominant and one recessive allele for a particular trait would be what for that trait?

Heterozygous.


What does a dominant allele does this to another allele?

A dominant allele will mask the expression of a recessive allele when they are present together in an organism. The dominant allele will be expressed, while the recessive allele will not be visibly expressed in the organism's phenotype.


What alleles would a homozygous recessive organism have?

A homozygous recessive organism would have two copies of the same recessive allele for a particular gene. This means that both alleles carried by the organism would be the recessive form.


What is meant by dominance?

Complete dominance means that the dominant allele completely masks the effects of the recessive allele. The only way a recessive allele can be exhibited phenotypically is if the organism is homozygous recessive for that allele.