D Question 16 The genetic changes found in the evolution of maize plants has led to which of the following traits in human dominated landscapes? (check any/all that apply) many long branches with starchy kernals large kernals tall stalks and few branches short stalks O small kernals that fall easily off cobs for harvest
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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