Biology Forums - Study Force

Which statement about the interaction between genes and environment is most correct?
  A. Phenotypic variation is derived from a single source.
  B. The phenotype, once determined, is invariable.
  C. The phenotype is produced by interaction of genotype and the environment.
  D. The phenotype can be quantified into genotypic and environmental components.
  E. None of these is true.

Question 2

Which of the following is not a characteristic of continuous variation?
  A. Traits can be quantified by measurement.
  B. Only a single gene pair contributes to the phenotype.
  C. The effect of each additive allele is small.
  D. Phenotypes show wide variation in expression.
  E. All of these are characteristics of continuous variation.

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