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A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]
- a)Aneuploidy
- b)Polyploidy
- c)Somaclonal variation
- d)Polyteny
Correct answer is option 'B'. Can you explain this answer?
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A cell at telophase stage is observed by a student in a plant brought ...
(b) This phenomenon is known as Polyploidy, wherein the cells contain more than two paired (homologous) sets of chromosomes. Polyploidy is often seen in the case of plants. The major cause of polyploidy is the non - disjunction of sister chromatids during meiotic recombination. This condition is actually useful in development of new crop varieties.
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A cell at telophase stage is observed by a student in a plant brought ...
Polyploidy
Polyploidy is a condition in which an organism has more than two complete sets of chromosomes. This can occur naturally or be induced artificially. In the case of the telophase cell observed by the student, the absence of cell plate formation results in the formation of a cell with extra chromosomes. This can lead to polyploidy.
Explanation
- Normal cells at telophase: During telophase, the cell undergoes cytokinesis and forms a cell plate between the two daughter cells. This ensures that each daughter cell receives an equal and correct number of chromosomes.
- Abnormal cell at telophase: In the case observed by the student, the absence of a cell plate leads to an unequal distribution of chromosomes between the two daughter cells. This results in one of the daughter cells having more chromosomes than normal.
- Consequences: The daughter cell with extra chromosomes can lead to polyploidy if it continues to divide. Polyploidy can have various effects on the organism, depending on the extent of the extra chromosomes. It can lead to changes in gene expression, altered growth patterns, and even sterility in some cases.
- Implications: Polyploidy can be beneficial in agriculture as it can lead to increased vigor, larger fruits or flowers, and improved disease resistance. However, it can also have negative effects on the organism's growth and development.
In conclusion, the observed cell at telophase without a cell plate formation is likely to result in polyploidy due to the unequal distribution of chromosomes.
Polyploidy is a condition in which an organism has more than two complete sets of chromosomes. This can occur naturally or be induced artificially. In the case of the telophase cell observed by the student, the absence of cell plate formation results in the formation of a cell with extra chromosomes. This can lead to polyploidy.
Explanation
- Normal cells at telophase: During telophase, the cell undergoes cytokinesis and forms a cell plate between the two daughter cells. This ensures that each daughter cell receives an equal and correct number of chromosomes.
- Abnormal cell at telophase: In the case observed by the student, the absence of a cell plate leads to an unequal distribution of chromosomes between the two daughter cells. This results in one of the daughter cells having more chromosomes than normal.
- Consequences: The daughter cell with extra chromosomes can lead to polyploidy if it continues to divide. Polyploidy can have various effects on the organism, depending on the extent of the extra chromosomes. It can lead to changes in gene expression, altered growth patterns, and even sterility in some cases.
- Implications: Polyploidy can be beneficial in agriculture as it can lead to increased vigor, larger fruits or flowers, and improved disease resistance. However, it can also have negative effects on the organism's growth and development.
In conclusion, the observed cell at telophase without a cell plate formation is likely to result in polyploidy due to the unequal distribution of chromosomes.
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A cell at telophase stage is observed by a student in a plant brought ...
Polyploidy bcz cell plate is not formed which results in syncitium
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A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer?
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A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer?.
A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in [2016]a)Aneuploidyb)Polyploidyc)Somaclonal variationd)PolytenyCorrect answer is option 'B'. Can you explain this answer?.
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