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प्रश्न
Name the following:
Cells having a single set of chromosomes.
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उत्तर
Haploid
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संबंधित प्रश्न
Chromosomes get aligned at the centre of the cell during:
A. Metaphase
B. Anaphase
C. Prophase
D. Telophase
Expand the following biological abbreviations :
DNA
Choose the correct answer:
Minimum coiling in chromosome is at ______________
Choose the correct answer:
Chromosomes largely consist of _______________
Enumerate the various changes that occur in the nucleus of the cell during prophase.
Differentiate between
Gametic meiosis and Zygotic meiosis.
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
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Multiple Choice Question:
The disappearance of spindle and uncoiling of chromosomes takes place in
Write the functional activity of the following structure:
Chromosome
Write the functional activity of the following structure:
Chromosomes
Multiple Choice Question
Chromosomal aberrations are caused by:
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
The region of the chromosome where the spindle fibres get attached during cell division ______
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
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.
