in Fundamentals of Genetics by

1 Answer

0 votes

Self-Pollination

Cross-Pollination

1. Self-pollination is a transfer of pollen grains from anther to stigma of same or different flower on the same plant.

1. Cross-pollination is a transfer of pollen grains from anther of one plant to the stigma of flower of the other plant.

2. Agents for pollination are normally not required.

2. It requires agents for pollination.

3. Plants need not to produce large number of pollen grains.

3. Plants need to produce large number of pollen grains.

4. Flowers are normally small and non-attractive.

4. Flowers are large and attractive like brightly coloured, nectar, smell, etc.

5. Purity of plants is maintained.

5. Purity of plants is not always maintained.

6. Less chances for production of variety in species.

6. Due to inter-mixing, variety in species are observed.

7. More chances of pollination

7. Less chances of pollination

8. Self pollinating plants are monoecious.

8. Most of the cross pollinating plants are dioecious.

 

by