Enlarge Image 180 Mutation causes variation Conditions do not favor some mutations Survivors reproduce Change in conditions do not favor some traits Survivors reproduce 1) This model shows the process of natural selection on rabbits demonstrating variation in fur color over several generations. Using the model, what most likely led to the loss of white furred rabbits in the population? A) XB) C) The white rabbits did not reproduce fast enough to survive. White was a recessive trait and therefore not passed on to any offspring. The white fur was a favorable trait but was never prevalent in the population. The rabbits with white fur had less camouflage in D) the environment and were more easily preyed on by predators.
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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