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What else can I help you with?
When a gene expresses itself in the presence of a contrasting gene it is said to be?
When a gene expresses itself in the presence of a contrasting gene, it is said to be dominant. Dominant alleles mask the effects of recessive alleles, leading to the phenotype associated with the dominant gene being observed in the organism. This concept is fundamental to Mendelian genetics, where the interaction between alleles determines observable traits.
In a heterozygous genotype the alleles always shows in the phenotype.?
In a heterozygous genotype, where an individual possesses two different alleles for a particular gene, the phenotype can be influenced by the dominance relationship between the alleles. Typically, the dominant allele will mask the expression of the recessive allele, resulting in the phenotype reflecting only the dominant trait. However, in some cases, such as incomplete dominance or codominance, both alleles can contribute to the phenotype. Therefore, it is not accurate to say that both alleles always show in the phenotype.
How do alleles interact in intermediate inheritance?
In intermediate inheritance, two different alleles at a single gene locus interact to produce a phenotype that is a blend of the two alleles. This results in a phenotype that falls between the dominant and recessive traits, rather than showing a clear dominant-recessive relationship. Both alleles contribute to the final phenotype in a co-dominant or blending manner.
Using the terms dominant recessive explain the difference between genotype and phenotype?
No, I think you have your terms confused.The terms "dominant" and "recessive" are applied to alleles of a genotype. A genotype is an expression (using upper- and lower-case letters) that shows what alleles an organism has for a particular locus. The two alleles (in most cases) inherited (one from mother and one from father) can either be dominant or recessive. The recessive allele is not fully expressed in the presence of the dominant allele and is only expressed when there are two recessive alleles. The genotype could be called "recessive" I suppose if the genotype is homozygous recessive. But remember that two recessive alleles as a genotype is only one possibility - in which case you can't say the "genotype is recessive".The phenotype is dependent on the genotype. If present, the dominant alleles (in simple Mendelian genetics) will determine the phenotype - what the organism's trait or characteristic is. The phenotype will never be what is coded by the recessive allele unless the genotype is two recessive alleles.
What is organism physical appearance?
An organism's physical appearance is its phenotype. This is distinct from its genetic makeup, called its genotype.
The phenotype of a child is determined by the interaction between a pair of and their interaction with their?
The phenotype of a child is determined by the interaction between a pair of alleles inherited from the parents and their interaction with the environment. Alleles are variations of a gene that can influence traits, while the environment can also play a role in how these traits are expressed.
What is an interaction between alleles in which both alleles are expressed more or less equally or a blending occurs called?
Those would be called co-dominant alleles.
What phenotype produces is between the two homologous parents?
The phenotype that is a combination of traits from both homologous parents is called the composite phenotype. It results from the interaction of different alleles inherited from each parent. This can lead to a unique expression of characteristics not seen in either parent.
What is the different between gornetype plus phenotype give on example?
Genotype refers to an individual's genetic makeup, while phenotype refers to the observable traits or characteristics of an organism resulting from the interaction of its genotype with the environment. For example, in humans, having the genotype for blue eyes (alleles for blue eyes) would result in the phenotype of having blue eyes.
In a heterozygous genotype the alleles always shows in the phenotype.?
In a heterozygous genotype, where an individual possesses two different alleles for a particular gene, the phenotype can be influenced by the dominance relationship between the alleles. Typically, the dominant allele will mask the expression of the recessive allele, resulting in the phenotype reflecting only the dominant trait. However, in some cases, such as incomplete dominance or codominance, both alleles can contribute to the phenotype. Therefore, it is not accurate to say that both alleles always show in the phenotype.
How do you distinguish between genotype and phenotype heterozygous and homozygous and dominant and recessive?
Genotype is the organism's full heredity information that may or may not be expressed. Actual observed properties are the phenotype. The phenotype is dependent on the genotype. Genes are homozygous when the same allele (form of the gene) inherited from both parents is the same. When different forms of the same gene are inherited from parents, they are heterozygous. Dominance refers to the relation between alleles of a gene. When two alleles of a gene combine, the dominant one then determines the trait that is expressed. In order for a recessive trait to be expressed, both alleles need to be recessive.
Which of the following is the best definition of the term phenotype?
Genotype is the alleles (different forms of a gene) which an individual has with respect to a particular characteristic. The Phenotype is how these genes are expressed in an individual.
How do alleles interact in intermediate inheritance?
In intermediate inheritance, two different alleles at a single gene locus interact to produce a phenotype that is a blend of the two alleles. This results in a phenotype that falls between the dominant and recessive traits, rather than showing a clear dominant-recessive relationship. Both alleles contribute to the final phenotype in a co-dominant or blending manner.
What is the interaction between dominant and recessive alleles?
This inter action is called dominance .
How is it possible to have neither allele dominant?
In cases where neither allele is dominant, both alleles are expressed equally in the phenotype. This is known as codominance, where both alleles contribute to the phenotype without one overpowering the other. An example of this is in blood type inheritance, where the AB blood type is the result of codominance between the A and B alleles.
How is incomplete dominance expressed in phenotype?
In complete dominance, only one allele in the genotype is seen in the phenotype. In codominance, both alleles in the genotype are seen in the phenotype. In incomplete dominance, a mixture of the alleles in the genotype is seen in the phenotype.
What is the difference between codominance and incomplete dominance in genetics?
Codominance is when both alleles in a gene pair are fully expressed in the phenotype, resulting in a blending or combination of traits. Incomplete dominance is when neither allele is completely dominant, leading to a phenotype that is a mix of the two alleles.
