Which of the following is TRUE in a population in Hardy-Weinberg equilibrium? O a) The population will drastically decrease in size as a result of a bottleneck event. O b) The recessive allele will decrease in frequency over generations until it disappears. Oc) The genotype that has the greatest selective advantage (i.e. evolutionary benefit) will increase in frequency over generations. O d) The rate of mutation and the rate of migration are roughly equal. O e) The genotype and allele frequency will remain nearly constant over generations.
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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