12.     a red and a white snapdragon are crossed, and their offspring is pink. this is an example of              a.  incomplete dominance.    b.  mendel's law of independent assortment.    c.  codominance.    d.  mendel's law of dominance. 

A. Incomplete dominance

Explanation:

This is a Non-Mendelian inheritance pattern so we rule out B and D.

In Incomplete dominance and Codominance the alleles for the trait are both dominant so they are both expressed, but there is a difference between the two.

For incomplete dominance the traits are blended, so like in your problem, from red and white, the offspring is pink because the white and the red trait BLENDED. (This is why this is the answer)

For codominance, the traits do not blend, but they are both expressed at the same time. This is like what we with blood types. If parents have different blood types, like A and B for example, the off springs could be AB.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.

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