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Mendel found that flower color in certain pea plants obeyed the following scheme.

Pure red crossed with pure white produces red.
When pure red​ (RR) and pure white​ (rr) parents are​ crossed, the resulting Rr combination​ (one of each​ gene) produces second generation offspring with red​ flowers, since red is dominant. Suppose one of these second generation Rr flowers is crossed with a pure red. What is the probability that the resulting plant will have red​ flowers?

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1 answer
  1. Use Punnett Square with Rr and RR.

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