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प्रश्न
Choose the correct answer:
Centromere is related to ________
विकल्प
movement of chromosomes
DNA replication
all of these
spindle formation
उत्तर
Centromere is related to movement of chromosomes
APPEARS IN
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The condition in which a pair of chromosomes carries similar alleles of a particular character.
The Chromatin material is formed forms of ______.
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
During mitosis which of the following disintegrate ___________
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Choose the correct answer:
A 'V' shaped chromosomes has to _____________
Choose the correct answer:
Sex of an individual is determined by ____________
Enumerate the various changes that occur in the nucleus of the cell during anaphase of mitotic division.
Give Reasons for the following
The meiosis is called reductional division
(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 Centrioles
Name the following:
Microtubules form the bipolar spindle in which stage.
Complete the following sentence with appropriate word :
Polytene chromosomes are found in _________ of fly larvae.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Chromosomes other than sex-chromosomes are autonomous.
Write the functional activity of the following structure:
Chromosome
Compare X chromosome and Y chromosome.
The number of chromosomes found in human beings is ______.
The thin thread-like structures found in the nucleus of each cell are called ______.