What is the difference between Isogamy and Heterogamy?
Isogamy | Heterogamy |
1. It is the process of the fusion of similar gametes. | 1. It is the process of fusion of dissimilar gametes. |
2. Both the gametes must be either flagellated or non-flagellated. | 2. One gamete can be flagellated or non-flagellated. |
3. Both the gametes should be either motile or non-motile. | 3. One of the gamete is non motile and larger in size whereas the other is motile and smaller in size. |
4. Example: Ulothrix ( flagellated ) and Spirogyra ( non-flagellated ). | 4. Example: Human beings ( sperm and ovum ) |