Which of the following is not controlled by genes?Eye colourHeightHair colourNone of the above

Which of the following does not control gene expression?

Labrador retriever’s fur color is controlled by two alleles, E and B. The B/b gene codes for hair pigment, while the E/e gene controls whether or not pigment of any color will be show in the hair. This is an example of _____.Group of answer choicespolygeniccodominanceincomplete dominancepleiotropymultifactorialepistasis

Human eye color is controlled by multiple enzymes encoded by multiple genes; therefore, human eye color is an ______ trait.

Does eye colour in humans usually have a genetic cause, an environmental cause or both?bothgeneticenvironmental

Which of the following are examples of genetic variation? WeightRegional accentNatural eye colourScars