Variation (OCR A-Level Biology A): Flashcards
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Intraspecific variation
Intraspecific variation
Differences between individuals within same species
Interspecific variation
Interspecific variation
Differences between different species
Phenotype
Phenotype
Observable/measurable characteristics (excluding genome)
Genotype
Genotype
Particular combination of alleles an organism possesses
Discontinuous variation features
Discontinuous variation features
Distinct categories, single gene, minimal environment effect
Continuous variation features
Continuous variation features
Range of phenotypes, polygenic, significant environment
Phenocopy
Phenocopy
Environment alters phenotype to mimic genetic change
Crossing over in meiosis
Crossing over in meiosis
Exchange of segments between non-sister chromatids
Monogenic inheritance
Monogenic inheritance
Characteristic controlled by single gene
Polygenic inheritance
Polygenic inheritance
Characteristic controlled by multiple genes