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Reproduction in Plants and Animals Topical Questions and Answers

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Form 3
Biology
Reproduction in Plants and Animals Questions and Answers.

FORM 3
BIOLOGY
TOPIC 3: REPRODUCTION IN PLANTS AND ANIMALS.
1. State two disadvantages of self-pollination in plants.
-There is no variation in characteristics;
-No hybrid vigour;
-Undesirable characteristics are retained within the species;
2. Explain why the tube nucleus disintegrates just before reaching the embryo sac.
To allow the male nuclei to enter the embryo sac.............................

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