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प्रश्न
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उत्तर
Chromosomes are the main source of chemical information which determines that the cell should become like its parent cell.
During the developmental stage they also determine that the cells of the organism will give the animal or the plant, the characteristic features of its species.
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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 term “chromosomes” literally means ______.
What is the difference between chromatin fibre and chromosome?
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
If after karyokinesis, cytokinesis does not occur, then result would be _____________
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in ______.
How does colchicine act as mitotic poison? Is there any advantage of it?
Give Reasons for the following
Chromosomes are the carriers of heredity.
(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
Multiple Choice Question:
How many chromosomes are found in a cell of humans?
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Write the functional activity of the following structure:
Chromosome
The number of chromosomes found in human beings is ______.
An inheritable change in the amount or the structure of a gene or a chromosome is called ______.
______ is a sudden permanent heritable change that can occur in the gene, in the chromosome or chromosome number.
Define the following term:
Chromosome
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
