7. In a population of 4 o'clock plants, red flowered (RR) plants are more fit than pink flowered (Rr) plants or white flowered (rr) plants. For every 10 red flowered plants that reproduce, 4 Rr and 3 rr plants do. The beginning allele frequencies are R = 0.7 and r=0.3. A. What are the genotypic frequencies after 1 generation of selection? B. What are the new allelic frequencies? C. What is the new mean fitness?
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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