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प्रश्न
Name the following:
Microtubules form the bipolar spindle in which stage.
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उत्तर
Metaphase
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संबंधित प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong
Centrosome.Cell wall, Cell membrane, Large vacuoles
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
In an interphase cell chromosome are as _____________
Choose the correct answer:
Chromosomes number is halved in _____________
Choose the correct answer:
Minimum coiling in chromosome is at ________________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Identify the stages of meiosven below and label them.
(i) Draw a neat labeled diagram to show the metaphase stage of mitosis in an animal cell having ‘6’ chromosome.
(ii) How many daughter cells are formed at the end of mitosis and at the end of meiosis?
(iii) With reference to cell division explain the following terms:
(Chromatid, Centromere, Haploid).
(iv) Name the type of cell division that occurs during:
1. Growth of shoot 2. Formation of pollen grains.
3. Repair of worn out tissues.
Explain the Term Leptotene
Complete the following sentence with appropriate word :
The spindle fibers are made of _______.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
State the Location: Polytene chromosome
Write the functional activity of the following structure:
Chromosomes
With the help of a neat labelled diagram, describe the structure of chromosome.
Define euploidy.
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
