Five conditions are required to maintain the Hardy–Weinberg equilibrium in a population. Closed population Large population Random mating No net mutations No natural selection If any of these conditions is not being met, the allele frequencies in the population will change, leading to microevolution in the population. Match each of the following scenarios to the Hardy–Weinberg condition that is NOT being met: An increase in antibiotic resistance among bacteria exposed to antibiotics occurs. Caribou from one herd move to a new area and breed with caribou of a completely different herd. Among eastern bluebirds, more brightly coloured males breed with more brightly coloured females. Due to overhunting, there is little genetic diversity in the current population of bearded vultures, which have all descended from a population of only 36 birds.
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.
Five conditions are required to maintain the Hardy–Weinberg equilibrium in a population.
- Closed population
- Large population
- Random mating
- No net mutations
- No natural selection
If any of these conditions is not being met, the allele frequencies in the population will change, leading to microevolution in the population.
Match each of the following scenarios to the Hardy–Weinberg condition that is NOT being met:
An increase in antibiotic resistance among bacteria exposed to antibiotics occurs.
Caribou from one herd move to a new area and breed with caribou of a completely different herd.
Among eastern bluebirds, more brightly coloured males breed with more brightly coloured females.
Due to overhunting, there is little genetic diversity in the current population of bearded vultures, which have all descended from a population of only 36 birds.
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