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प्रश्न
Define euploidy.
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उत्तर
When the chromosome number in a cell is the exact multiple of the primary basic number, then it is called euploidy.
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संबंधित प्रश्न
Chromosomes get aligned at the center of the cell during ______.
Humans have 46 chromosomes. Their sperms and eggs will have ______ chromosomes each.
Mention the contribution of the scientist given below in the study of chromosome:
Strasburger
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
(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 Spindle
Identify the odd one:-
In humans, the sex chromosome complement is
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
Rewrite the correct form of the statement by changing the first or last word only:
Duplicated chromosomes remain attached at a point termed as centrosome.
