a Jessica McMaster 6 éve
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Genotype and Phenotype
Genotype refers to the specific set of genes within an organism's DNA that influence various traits. These genes, inherited from parent to offspring, include dominant and recessive alleles.
Megnyitás
Genotype and Phenotype Important Definitions Recessive: A segment of DNA information that is used to make chromosomes gene that can be masked by a dominant gene Dominant: A segment of DNA information that is used to make chromosomes that is expressed in the phenotype over a recessive allele Gene: A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring Allele: One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome Main topic Identifying the Phenotype of an Individual Given the Genotype Carriers have the dominant/recessive genotype for a given gene, so they only show the phenotype caused by the dominant version of that gene Differences between Genotype and Phenotype The phenotype is influenced by the genotype Phenotype determined by both genetic make-up and environmental influences The phenotype of an organism is the observable physical or biochemical characteristics of an organism Phenotype is the physical expression, or characteristics, of that trait
