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Mendel believed that during the formation of gametes the pair of genes controlling a trait separate He called this the principle of?
Mendel believed in the principle of separation. This occurs during the formation of gametes and the pair of genes that control a trait separate.
Principle states that one factor in a pair may prevent the other factor in the pair from being expressed?
This principle is called the principle of dominance. It explains that in a pair of alleles, the dominant allele will be expressed over the recessive allele. So, the dominant factor will prevent the recessive factor from being expressed in the phenotype.
What is the name of the principle stating that allele frequencies will remain constant unless factors cause them to change?
The principle is called the Hardy-Weinberg equilibrium. It states that in the absence of evolutionary forces such as mutation, selection, gene flow, or genetic drift, allele frequencies will remain constant from generation to generation in a population.
What is allele masked by the dominant allele?
An allele that is masked by the dominant allele is called a recessive allele. When an individual has one dominant allele and one recessive allele, only the trait determined by the dominant allele will be expressed. The recessive allele will only be expressed if an individual has two copies of it (homozygous recessive).
What is an allele that always shows up in an organism's phenotype called - an allele that masks the other allele?
An allele that always shows up in an organism's phenotype and masks the expression of another allele is called dominant. Dominant alleles are always expressed, even when paired with a recessive allele.
Mendel believed that during the formation of gametes the pair of genes controlling a trait separate He called this the principle of?
Mendel believed in the principle of separation. This occurs during the formation of gametes and the pair of genes that control a trait separate.
What is the distribution of a particular allele within a population called?
Based on the Hardy-Weinberg Principle the rate at which a particular allele occurs in a population is its frequency.
Principle states that one factor in a pair may prevent the other factor in the pair from being expressed?
This principle is called the principle of dominance. It explains that in a pair of alleles, the dominant allele will be expressed over the recessive allele. So, the dominant factor will prevent the recessive factor from being expressed in the phenotype.
What is the difference between the Principle of Dominance and the Principle of Segregation?
These are principles which Gregor Mendel discovered when he carried out his experiments on inheritance in pea plants. Mendel discovered that each character eg height of the plant, is controlled by two genes (which he called 'factors'), one from each parent. The Law of Segregation states that when gametes (sex cells: eggs and sperm) are produced, the two genes in each pair separate (segregate) and go to different cells. This means that eggs and sperm end up with only one copy of each gene, instead of a pair of genes. Mendel also discovered that genes occurred in alternative versions which we call alleles eg the height gene can be the tall allele or the short allele. If an individual plant inherits one tall allele and one short allele, the tall allele 'hides' the short allele and the plant is tall. The tall allele is called the dominant allele. Dominant alleles only need to be inherited from one parent to produce an effect. The short allele is called the recessive allele. A recessive allele must be inherited from both parents in order to produce an effect.
What is a dominant allele what is a recessive allele?
An allele that hide the effect of other allele is called dominant.Allele that is masked is called recessive .
A genetic factor that blocks another genetic factor is called what?
A genetic factor that blocks the expression of another genetic factor is called a "dominant" allele. In genetics, when one allele is dominant over another, it masks the effect of the recessive allele, preventing it from being expressed in the phenotype. This interaction is a fundamental principle of Mendelian inheritance.
What is the name of the principle stating that allele frequencies will remain constant unless factors cause them to change?
The principle is called the Hardy-Weinberg equilibrium. It states that in the absence of evolutionary forces such as mutation, selection, gene flow, or genetic drift, allele frequencies will remain constant from generation to generation in a population.
What does the principle of dominance state?
Basically, it states there are two forms of a gene called alleles, heterozygous in this case, and one allele masks the expression of the other allele. This is simplified, as it can get complex with co-dominance and partial dominance.
What is allele masked by the dominant allele?
An allele that is masked by the dominant allele is called a recessive allele. When an individual has one dominant allele and one recessive allele, only the trait determined by the dominant allele will be expressed. The recessive allele will only be expressed if an individual has two copies of it (homozygous recessive).
When one allele of a gene masks the presence of the allele what form can be seen in the phenotype?
When one allele for a particular trait masks or overrides another allele for a trait, it is called dominance. The allele that is masked is called the recessive allele. The allele that is dominant will determine the phenotype.
When allele of a gene masks the presence of the other allele what form can be seen in the phenotype?
When one allele for a particular trait masks or overrides another allele for a trait, it is called dominance. The allele that is masked is called the recessive allele. The allele that is dominant will determine the phenotype.
What is it called when an allele masks the other allele?
Dominance.
