WHAT IF? Suppose two plant populations exchangepollen and seeds. In one population, individuals of genotype AA are most common (9,000 AA, 900 Aa, 100 aa),while the opposite is true in the other population(100 AA, 900 Aa, 9,000 aa). If neither allele has a selectiveadvantage, what will happen over time to the alleleand genotype frequencies of these populations?
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.
WHAT IF? Suppose two plant populations exchange
pollen and seeds. In one population, individuals of genotype AA are most common (9,000 AA, 900 Aa, 100 aa),
while the opposite is true in the other population
(100 AA, 900 Aa, 9,000 aa). If neither allele has a selective
advantage, what will happen over time to the allele
and genotype frequencies of these populations?
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