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The endosperm cells in angiosperms are
- a)Diploid
- b)Triploid
- c)Haploid
- d)Tetraploid
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The endosperm cells in angiosperms area)Diploidb)Triploidc)Haploidd)Te...
Endosperm cells in angiosperms are Triploid.
Explanation:
1. What is endosperm?
Endosperm is a tissue that is formed inside the seeds of flowering plants (angiosperms) after fertilization. It serves as a source of nutrition for the developing embryo.
2. How is endosperm formed?
Endosperm is formed as a result of a process called double fertilization, which is unique to angiosperms. During double fertilization, one sperm cell fuses with the egg cell to form a diploid zygote, which develops into the embryo. The other sperm cell fuses with two polar nuclei to form a triploid cell, which gives rise to the endosperm.
3. What is the ploidy level of endosperm cells?
Since the endosperm is formed by the fusion of one haploid sperm cell with two haploid polar nuclei, the resulting cell is triploid (3n). This means that the endosperm cells have three sets of chromosomes, one from the male parent and two from the female parent.
Therefore, the correct answer is option B, triploid.
Explanation:
1. What is endosperm?
Endosperm is a tissue that is formed inside the seeds of flowering plants (angiosperms) after fertilization. It serves as a source of nutrition for the developing embryo.
2. How is endosperm formed?
Endosperm is formed as a result of a process called double fertilization, which is unique to angiosperms. During double fertilization, one sperm cell fuses with the egg cell to form a diploid zygote, which develops into the embryo. The other sperm cell fuses with two polar nuclei to form a triploid cell, which gives rise to the endosperm.
3. What is the ploidy level of endosperm cells?
Since the endosperm is formed by the fusion of one haploid sperm cell with two haploid polar nuclei, the resulting cell is triploid (3n). This means that the endosperm cells have three sets of chromosomes, one from the male parent and two from the female parent.
Therefore, the correct answer is option B, triploid.
Community Answer
The endosperm cells in angiosperms area)Diploidb)Triploidc)Haploidd)Te...
1)2polar nuclei+male gamete=triple fusion》endosperm
2)egg+male gamete=syngamy》zygote
1&2》double fertlisation.
2)egg+male gamete=syngamy》zygote
1&2》double fertlisation.
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