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प्रश्न
Answer the following question.
When a seed of orange is squeezed, many embryos, instead of one are observed. Explain how it is possible.
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उत्तर
It is due to polyembryony.
The occurrence of more than one embryos in a seed is called as POLYEMBRYONY.
In orange, the nucellar cells, synergid, or integument cells develop into a number of embryos of different sizes.
eg: Citrus.
- Sometimes the formation of more than one egg in an embryo sac can lead to polyembryony.
APPEARS IN
संबंधित प्रश्न
Explain the different ways apomictic seeds can develop, Give an example of each.
Fill in the blank:
________takes place when one male gamete and the egg fuse together. The fertilized egg grows into a seed from which the new plants can grow.
Fill in the blank:
The ______ is the base of the flower to which other floral parts are attached.
Fill in the blank:
________is the transfer of pollen grains from the anther of the flower to the stigma of the same or a different flower
Fill in the blank:
The whorl ________is green that protects the flower until it opens.
What is adventive polyembryony?
Give an account of polyembryony.
Which of the following is TRUE with respect to cleavage polyembryony?
The polyembryony commonly occurs in ______.
Adventive polyembryony in citrus is due to ______.
