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Which genotype gives a short pea plant?

Att
BTT
CTt
DtT
Answer & Solution
Correct answer: A. tt
1. Two copies of the factor controlling a trait are present in the plant. 2. Both TT and Tt are tall plants. 3. Only tt is a short plant, because both copies must be t. _Source: syllabus Science, Ch 9 'Heredity and Evolution'_
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