3. Match the term with its description. A. lethal B. pleiotropy C. epistasis D. complementation E. gene redundancy ___ The multiple effects of a single gene on the phenotype of an organism is called _______. ____ When genes at one locus can mask the expression of genes at a second locus. ____ The production of wild-type offspring from a cross between parents that both display the same recessive phenotype illustrates the genetic phenomenon of _______. ____ When homozygous loss-of-function alleles at a locus have no effect on a phenotype. ____ An allele that has the potential to cause the death of an individual
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Step 1: The multiple effects of a single gene on the phenotype of an organism is called pleiotropy. Show more…
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Match each of the following terms with its correct definition (parts $a$ through $i$ ) Phenocopy __________ Pleiotropy __________ Polygenic trait ____________ Penetrance _________ Sex-limited trait _________ Genetic maternal effect __________ Genomic imprinting __________ Sex-influenced trait _________ Anticipation __________ a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and that has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the offspring.
Bryan V.
Match each of the following terms with its correct definition (parts $a$ through $i$ ). - Phenocopy - Pleiotropy Polygenic trait Penetrance Sex-limited trait - Genetic maternal effect - Genomic imprinting Sex-influenced trait Anticipation a. The percentage of individuals with a particular genotype that express the expected phenotype. b. A trait determined by an autosomal gene that is more easily expressed in one sex. c. A trait determined by an autosomal gene that is expressed in only one sex. d. A trait that is determined by an environmental effect and has the same phenotype as a genetically determined trait. e. A trait determined by genes at many loci. f. The expression of a trait is affected by the sex of the parent that transmits the gene to the offspring. g. The trait appears earlier or is more severe in succeeding generations. h. A gene affects more than one phenotype. i. The genotype of the maternal parent influences the phenotype of the offspring.
One gene that gives rise to three traits is an example of ____________ a. polygenic inheritance b. codominance c. pleiotropy
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