Question
Mention three differences between self-pollination and cross-pollination. [3 MARKS]
Answer:
:
Each point: 1 Mark
Self PollinationCross Pollination(i)Transfer of pollen from the stamen to the pistil(i)Transfer of pollen from the stamen of one flower to the pistil of another flower ofof the same flowerthe same plant or different plants of the same kind(ii)External medium is not required(ii)External medium is required(iii)It occurs only in bisexual flowers(iii)It occurs in both unisexual and bisexual flowers
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:
Each point: 1 Mark
Self PollinationCross Pollination(i)Transfer of pollen from the stamen to the pistil(i)Transfer of pollen from the stamen of one flower to the pistil of another flower ofof the same flowerthe same plant or different plants of the same kind(ii)External medium is not required(ii)External medium is required(iii)It occurs only in bisexual flowers(iii)It occurs in both unisexual and bisexual flowers
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