A cell at telophase stage is observed by a student in a plant brought from a 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 containing more number of chromosomes as compared to other dividing cells. This would result inA. PolytenyB. AneuploidyC. PolyploidyD. Somaclonal variation.

A cell at telophase stage is observed by a student in a plant brought

1.	A cell at telophase stage is observed by a student in a plant brought from a 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 containing more number of chromosomes as compared to other dividing cells. This would result inA. PolytenyB. AneuploidyC. PolyploidyD. Somaclonal variation.
Answer» Correct Answer - C

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Which is not characteristic of telophase 1. Chromatin condenses to form chromosomes. 2. Nucleolus, Golgi comlex and ER reform 3. Nuclear envelopes assemble around chromosome clusters 4. Centromeres split and chromatids separate 5. Chromosome clusters and their identity is lost.A. 1, 2, 4 onlyB. 1, 4 onlyC. 2, 3 onlyD. 3, 4, 5 only
What precedes reformation of nuclear envelope in M-phaseA. Decondensationo of chromosomes and appearance of nuclear laminaB. Transcription of chromosomes and reassembly of nuclear laminaC. Formation of phragmoplast and contraction ringD. Formation of contraction ring and transcription from chromosomes
Synaptinemal complex was first described byA. MosesB. BowmannC. MontgomeryD. Pfitzner.
In which stage synaptinemal complex dissolves, chromaties become clear and bivalents are called tetradsA. ZygoteneB. PachyteneC. DiploteneD. Diakinesis
The term synaptonemal complex refers to site ofA. Spindle attachmentB. ReplicationC. Chromatid separationD. Chromosomeo alignment and recombination
Synaptonemal complex is formed duringA. LeptoteneB. PachyteneC. DiakinesisD. Zygotene
In mitosis, nuclear envelope and nucleolus disappear duringA. ProphaseB. InterphaseC. MetaphaseD. Telophase
Which stages of cell division do the following figures A and B represent respectively A. Telophase-MetaphaseB. Late Anaphase-ProphaseC. Prophase-AnaphaseD. Metaphase-Telophase
During mitosis ER and nucleolus begin to disappear atA. Early metaphaseB. Late metaphaseC. Early prophaseD. Late prophase
Choose the diagram which correctly depicts anaphase IA. B. C. D.

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