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Which pattern of inheritance would account for human height?
Human height is typically determined by polygenic inheritance, where multiple genes contribute to the phenotype, along with environmental factors. This results in a continuous range of heights in a population. This pattern of inheritance contrasts with Mendelian inheritance, where traits are controlled by a single gene.
The inheritance pattern in which a single allele is responsible for a variety of traits?
Pleiotropy is the term used to describe an inheritance pattern where a single allele affects multiple phenotypic traits. In this pattern, one gene is responsible for controlling or influencing multiple aspects of an organism's phenotype.
What is the best explanation of codominance and how does it differ from other forms of genetic inheritance?
Codominance is a genetic inheritance pattern where both alleles for a trait are fully expressed in the phenotype of an individual. This means that neither allele is dominant or recessive, and they both contribute to the observable trait. In contrast, in other forms of genetic inheritance, such as complete dominance or incomplete dominance, one allele may be dominant over the other, leading to a different expression of the trait.
Genetic engineers cannot control whether or not a gene transferred to an organism will be passed to the offspring of the organism?
While genetic engineers can control the insertion of genes into an organism, they do not have control over the process of gene inheritance to the offspring. Once a gene is inserted into an organism, its inheritance pattern is determined by the organism's natural reproductive processes.
When inheritance of a particular trait follows a pattern of what individuals that are heterozygous for the trait have the same phenotype or physical characteristic as individuals who are homozyg?
This type of inheritance represents alleles at the same locus where one is recessive to the other. The dominant phenotype occurs in all heterozygous offspring as well as the homozygous dominant offspring. This yields a 3:1 phenotype and a 1:2:1 genotype.
Which pattern of inheritance would account for human height?
Human height is typically determined by polygenic inheritance, where multiple genes contribute to the phenotype, along with environmental factors. This results in a continuous range of heights in a population. This pattern of inheritance contrasts with Mendelian inheritance, where traits are controlled by a single gene.
The inheritance pattern in which a single allele is responsible for a variety of traits?
Pleiotropy is the term used to describe an inheritance pattern where a single allele affects multiple phenotypic traits. In this pattern, one gene is responsible for controlling or influencing multiple aspects of an organism's phenotype.
What is the best explanation of codominance and how does it differ from other forms of genetic inheritance?
Codominance is a genetic inheritance pattern where both alleles for a trait are fully expressed in the phenotype of an individual. This means that neither allele is dominant or recessive, and they both contribute to the observable trait. In contrast, in other forms of genetic inheritance, such as complete dominance or incomplete dominance, one allele may be dominant over the other, leading to a different expression of the trait.
Genetic engineers cannot control whether or not a gene transferred to an organism will be passed to the offspring of the organism?
While genetic engineers can control the insertion of genes into an organism, they do not have control over the process of gene inheritance to the offspring. Once a gene is inserted into an organism, its inheritance pattern is determined by the organism's natural reproductive processes.
What is an inheritable pattern in which two different alleles contribute to the phenotype in separate and distinguishable ways?
Codominance is an inheritable pattern where two different alleles for a gene are both expressed in the phenotype, resulting in a unique trait that displays characteristics of both alleles. This leads to a distinct phenotype that is a combination of the traits produced by both alleles.
What phenotype distribution pattern is common with polygenic inheritance?
A continuous variation of phenotypes is common with polygenic inheritance, often resulting in a bell-shaped curve known as a normal distribution. This means that individuals will exhibit a range of phenotypes with no clear-cut categories.
When inheritance of a particular trait follows a pattern of what individuals that are heterozygous for the trait have the same phenotype or physical characteristic as individuals who are homozyg?
This type of inheritance represents alleles at the same locus where one is recessive to the other. The dominant phenotype occurs in all heterozygous offspring as well as the homozygous dominant offspring. This yields a 3:1 phenotype and a 1:2:1 genotype.
Which inheritance pattern results when parents are crossed for pure traits and the resulting offspring have traits that appear to blend?
Incomplete dominance represents an inheritance pattern resulting in offspring with traits that appear to blend when parents are crossed for pure traits. In this pattern, neither trait is completely dominant over the other, leading to a mixture or intermediate phenotype in the offspring.
How do you describe a pattern of inheritance that the blending hypothesis fails to explain?
A pattern of inheritance that the blending hypothesis fails to explain is incomplete dominance, where the heterozygous phenotype is intermediate between the two homozygous phenotypes. This contradicts the blending hypothesis, which suggests that the traits of the parents are mixed together in the offspring. In incomplete dominance, the traits remain distinct in the offspring.
What type two or more genes control a trait?
Polygenic inheritance is when two or more genes interact to control a trait. Each gene contributes to the phenotype in an additive manner, resulting in a continuous range of variations for the trait. Examples include human height and skin color.
What type of inheritance is Roan in cows and bulls?
Roan is an example of incomplete dominance inheritance in cows and bulls. In this type of inheritance, the heterozygous individual will display a phenotype that is a mixture of the two homozygous genotypes. In the case of roan cattle, the roan color pattern is expressed when a black coat color allele and a red coat color allele are present.
Is the inheritance pattern of the BRCA1 gene dominant or recessive?
The inheritance pattern of the BRCA1 gene is dominant.
