Causes of cross-fertilization:
1 - the presence of flowers in the plant and plant flowers in another plant.
2 - the difference in the length of the lion and pens in the same flower.
3 - different maturity dates of pollen and ova.
4 - the existence of the property of self-infertility in flowers.
1 - the presence of flowers in the plant and plant flowers in another plant.
2 - the difference in the length of the lion and pens in the same flower.
3 - different maturity dates of pollen and ova.
4 - the existence of the property of self-infertility in flowers.
Labels
Cell division