together in a greenhouse. You then record the number of days from seed germination to flowering for each plant. The phenotypic variance for the entire combination of lines is 100 d², but the average variance of plants within individual pure-breeding lines is only 25 d². Calculate each of the following. Environmental variance (VE): Type your answer here Genetic variance (VG): Type your answer here Broad-sense heritability (H²): Type your answer here d² (write as an integer) d² (write as an integer) (write as a decimal to two places)

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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.