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What is the difference between a gene allele Chromosome and trait?
Alleles are alternate versions of genes that code for certain phenotypes, or traits. The traits of an individual are a result of the interaction between their genotype (alleles) and the environment.
What word is used to describe an observable trait or characteristics?
The word used to describe an observable trait or characteristic is "phenotype." Phenotype refers to the physical characteristics or traits of an organism that result from the interaction of its genetic makeup (genotype) with the environment.
What is the phenotype of a mutation?
The phenotype of a mutation refers to the observable physical or biochemical characteristics of an organism that result from the mutation. It can include traits such as altered appearance, behavior, or function compared to the wild-type or non-mutated organism.
When offspring show a blend of the parents traits one allele is dominant over the other?
The results in the offspring hinge on the genetic make up of the parents. Each expressed trait is either the result of a dominant or recessive phenotype. The relative dominance or recessiveness of the alleles doesn't change only the rate at which they are expressed based on the allele present for each obseerved trait in the parents.
What is the type of trait that can be masked?
The type of trait that can be masked is known as a recessive trait. In genetics, recessive traits require two copies of the recessive allele (one from each parent) to be expressed phenotypically, while a dominant allele can overshadow or mask the expression of the recessive allele. As a result, individuals with one dominant and one recessive allele will display the dominant trait, concealing the presence of the recessive trait.
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.
What is the result when a dominant allele pairs up with a recessive allele in simple dominance?
The dominant form of the trait shows. -Gradpoint
What is the difference between a gene allele Chromosome and trait?
Alleles are alternate versions of genes that code for certain phenotypes, or traits. The traits of an individual are a result of the interaction between their genotype (alleles) and the environment.
How is incomplete dominance expressed in a phenotype and what are the observable characteristics that result from this genetic phenomenon?
Incomplete dominance is a genetic phenomenon where neither allele is completely dominant over the other, resulting in a blending of traits in the phenotype. This means that the observable characteristics in an individual with incomplete dominance will be a mix of the traits from both alleles, rather than one trait being dominant over the other.
What is the alternative forms or genetic information for a trait are called?
This is generally the definition of an allele. An allele is an "alternate form of a gene". For each gene there may be many alleles. For example (simplistically) the gene which makes the pigment in your eyes (ie which gives you your eye colour) has a brown, green and blue allele. On each of the two chromosomes (one from your mother and one from your father) you can have either the same allele (homozygous) or a different allele (heterozygous). In the case of a heterozygous gene the dominate allele is expressed. In some cases (co-dominance) both alleles are expressed.
Why is the genotype of the guinea pig with black fur expressed as (B)?
The genotype of the guinea pig with black fur is expressed as (B) because it represents the dominant allele for fur color. In genetic notation, uppercase letters indicate dominant traits, while lowercase letters represent recessive traits. Since black fur is a dominant characteristic, the presence of at least one (B) allele will result in the expression of that trait, regardless of the other allele's state. Thus, a guinea pig with the genotype (BB) or (Bb) will both display black fur.
What word is used to describe an observable trait or characteristics?
The word used to describe an observable trait or characteristic is "phenotype." Phenotype refers to the physical characteristics or traits of an organism that result from the interaction of its genetic makeup (genotype) with the environment.
What is a variation of a gene that occurs at the same place on homologous chromosomes?
An allele is a variation of a gene that occurs at the same place on homologous chromosomes. Alleles can differ in their DNA sequence and can result in different traits or characteristics being expressed.
What does an allele code for?
An allele is a specific form of a gene that codes for a particular trait or characteristic. Alleles can result in different variations of the trait, such as eye color or blood type, depending on which allele is inherited from each parent.
Name a characteristic feature which is hard to spot?
Person's blood group Adeline xox
What do you call two different genes of a certain trait?
Two genes which govern the same characteristics are called alleles. Alleles located at the same locus on a chromosome pair determine phenotype (the expressed characteristic), at least in simple Mendelian genetics. Characteristics can also be controlled from two loci (epistatic/hypostatic) and from several loci (polygenic). There is space on the genome for 2 alleles for a certain characteristic. One is taken from each parent. For example, you might have one allele coding for black fur (B) and another for white (b). Alleles have different dominance so if the allele for black fur was dominant you have two allele combinations that would result in black fur: BB and Bb There is only one combination that could result in white fur: bb The less dominant allele is known as the recessive allele.
What is the phenotype of a mutation?
The phenotype of a mutation refers to the observable physical or biochemical characteristics of an organism that result from the mutation. It can include traits such as altered appearance, behavior, or function compared to the wild-type or non-mutated organism.
