Types of Selection Match each situation to the type of selection most likely to occur. NOTE: If you want to change your selection, you'll need to delete the one you already chose. After you delete it, the list of choices will pop back up and you can make a different choice. Rabbits with medium colored fur blend into the background, but very light or very dark fur colors are easier for predators to spot. disruptive selection Drab colored guppies are less likely to be eaten by predators, but brightly colored males are preferred by females. sexual selection Butterflies with small wings can easily find hiding places to escape predators. Butterflies with large wings can fly higher and faster to escape predators. directional selection stabilizing selection A species of rodent is vulnerable to cold weather when small, but able to keep warm when large.
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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