The amount of observable variation due to environment can be measured by comparing the number, frequency and kinds of alleles in both parents and offspring.

Question

Quizplus · Accepted Answer

The amount of observable variation due to the environment is typically measured by comparing individuals of the same genotype (e.g., identical twins) in different environments, not by comparing the alleles in parents and offspring. Genetic variation is assessed through alleles, but environmental influence is gauged through changes in phenotype under different environmental conditions.

The Amount of Observable Variation Due to Environment Can Be