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Why do endosperm formation does not occur until fertilization take place?
Endosperm formation is triggered by fertilization because it involves the fusion of the two sperm cells with different nuclei in the embryo sac, leading to the triploid (3n) condition necessary for endosperm development. Without fertilization, the endosperm would not receive the necessary genetic contribution to develop properly and support the growing embryo.
What are the two distinct fertilization that take place in angiosperms?
What are the two distint fertilization that happen in endosperm
What role does double fertilization play in the life cycle of angiosperms?
The fusion of a male gamete with secondary nucleus is called double fertilization and it results in the development of endosperm which nourishes the developing embryo inside the seed. Thus without double fertilization nourishment of developing embryo will be hamphered.
Where is the place where pollen lands for pollination to occur in a flower?
Pollen lands on the stigma, which is the sticky female reproductive part of the flower, during pollination. This interaction allows for fertilization and the formation of seeds.
How are the embryo and the endosperm formed in a plant?
For an endosperm to be formed one sperm nucleus has to fertilize the egg. The egg is fertilized to form a zygote while the other sperm nucleus fuses with the two polar nuclei at the center of the embryo sac to form the primary endosperm cell.
Which process must occur before any division can take place?
Fertilization
Where does the fertilization takes place?
Depending on the animal, fertilization of eggs can occur externally or internally. With internal fertilization...the sperm and egg generally combine in the fallopian tubes.
What would happen if the sperm could not get into the egg?
If the sperm cannot get into the egg, fertilization cannot occur and pregnancy will not take place. The egg needs to be fertilized by the sperm in order for the genetic material from both to combine and form a zygote, which will eventually develop into an embryo.
What plant part fom the seed?
The seed is formed in the fruit from ovule. A fertilized ovule develops the embryo and endosperm. Most of the endosperm is used up by the developing embryo in dicot seeds. In monocot seeds large amount of endosperm is retained to support the germinating embryo. When someone plants a seed in the ground an entire plant grows from it over time.
What type of fertilization and development occur in the zebrafish?
Zebrafish exhibit external fertilization, where the female releases eggs and the male fertilizes them outside of the body. The embryos develop externally, with the early stages of development taking place outside of the mother's body in the water.
Where does fertilization in a female take place?
In the uterus.
Where does fertilization takes place in reptiles?
Fertilization takes place internally.
