In the graph on the LEFT (number of zygotes versus frequency of S allele): O Sampling error decreases as alleles are fixed in the gene pool. O Sampling error decreases as more zygotes are formed and the sample better reflects the gene pool. O Sampling error increases as a result of genetic drift acting on this population. O Sampling error increases as more zygotes are formed, leaving fewer in the gene pool.
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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