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Double fertilization in angiosperms.
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∙ 11y ago
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Why do endosperm formation does not occur until fertilization take place?
Because the triploid endosperm nucleus is formed at the same time as fertilization and then it develops.
A triploid cell resulting from double fertilization becomes the what?
It's an endosperm...
What process in angiosperm produces a diploid zygote and a triploid endosperm?
Double fertilization
Is the primary endosperm nucleus haploid or diploid?
I am sure it is (3n).This is because In angiosperms most common type of embryo sac formation, there is fusion of 1 sperm nuclei + 2 polar nuclei=triple fusion resulting in a triploid primary endosperm nuclues.
If the chromosome no of a plant is 16 what would the chromosome no of the ploidy level of the microspore mother cell and the endosperm cells be?
Mmc's=16 as its diploidendosperm=48 as it is triploid 3n
The triploid nucleus in the megaspore divides to produce?
The triploid nucleus in the megaspore divides to produce endosperm, which provides the plan embryo in the seed with food.
Why do endosperm formation does not occur until fertilization take place?
Because the triploid endosperm nucleus is formed at the same time as fertilization and then it develops.
What is the Triploid stage of a flowering plant?
Endosperm
Is there is endosperm present in gymnosperm?
No, triploid endosperm is in angiosperms only. Gymnosperm means "Naked Seed."
What is the 3n nutritive tissue in the seed of angiosperms called?
the triploid The endosperm is a nutritive tissue which nourishes the developing embryo. The endosperm in angiosperm is triploid (3n) and it is a post - fertilization structure.
A triploid cell resulting from double fertilization becomes the what?
It's an endosperm...
What process in angiosperm produces a diploid zygote and a triploid endosperm?
Double fertilization
What is the ploidy of cells of aleurone layer in cereal grains?
The aleurone layer is the outermost layer of the endosperm. Therefore it is also triploid and same as the ploidy of endosperm.
What is the name given to the triploid structure that provides food storage for the developing embryo in angiosperms?
endosperm
How do you tell a gymnosperm from an angiosperm?
angiosperm - flowering plant fruit endosperm (3n) triploid gymnosperm - 'naked seed' trees cones endosperm (n) haploid
Is the primary endosperm nucleus haploid or diploid?
I am sure it is (3n).This is because In angiosperms most common type of embryo sac formation, there is fusion of 1 sperm nuclei + 2 polar nuclei=triple fusion resulting in a triploid primary endosperm nuclues.
Plants with four sets of chromosomes are said to be triploid?
Triploid indicates there are three sets of chromosomes within the nucleus. A plant with four sets of chromosomes is said to have a tetraploid nucleus.
