Imagine that you compared the observed genotype frequencies in a population to the expected genotype frequencies under Hardy-Weinberg equilibrium using a Chi- squared test and obtained a Chi-squared value of 3.85. If the critical value of the Chi- squared test statistic is 3.81 (at alpha = 0.05), what can you safely conclude about this population: It is evolving It is at Hardy-Weinberg equilibrium It is undergoing genetic drift It is not at Hardy-Weinberg equilibrium there is not enough information to know anything

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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.