CLEP Biology Practice Exam

Category - Biology

In tomato plants, the tall vine allele (T) is dominant to the short vine allele (t). Two tomato plants are crossed. Among the offspring plants grown from seed, 45% have tall vines and 55% have short vines.What are the most likely genotypes of the parent plants?
  1. TT and tt
  2. Tt and TT
  3. Tt and tt
  4. tt and tt
Explanation
Answer: C - Tt and tt
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