Discrete - Single gene inheritance of characteristics, where measurements fall into distinct groups, Continuous - Polygenic inheritance of characteristics, where there is a range of values between a minimum and a maximum, Polygenic - Inheritance determined by the interaction of several genes acting together e.g. skin colour, Gene - The basic unit of genetic material inherited from our parents. A section of DNA which controls a protein's production, Alleles - Different versions of a gene, that code for different proteins and produce different phenotypes., Phenotype - The particular version of a characteristic seen in an individual, Genotype - The alleles that organism has for a particular characteristic, usually written as letters e.g. BB, Dominant - An allele that always expresses itself whether it is partnered by a recessive allele or another like itself, Recessive - Describes the variant of a gene which is masked or suppressed in the presence of a dominant variation, Homozygous - When the two alleles of a particular gene are identical, Heterozygous - When the two alleles of a particular gene are different, P - Refers to the parent generation , F1 - Refers to the first generation offspring, F2 - Refers to the second generation offspring, Carrier - An individual that doesn't suffer from a recessive condition but carries the allele and may pass it on to their children,

N5 2.4 Variation & Inheritance

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