A plant with genotype Rr is crossed with another plant of genotype Rr. What is the probability of the offspring having the genotype rr?

  1. 25%
  2. 50%
  3. 75%
  4. 100%

📝 Batafsil tushuntirish

A Punnett square for Rr x Rr gives: RR, Rr, Rr, rr. One out of four (25%) is rr.
40 / 50 (80%)
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