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प्रश्न
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उत्तर
Few important characteristics of Meiosis are:
(i) Meiosis occurs in germ cells only.
(ii) It results in the formation of gametes.
(iii) Chromosome number of the parent cell is halved.
(iv) Daughter cells differ from the parent cell.
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संबंधित प्रश्न
Genetic recombination occurs in ______ phase of prophase of meiosis-I.
Define the following:
Karyokinesis
Choose the correct answer:
Which division takes most time?
In which one of the following options the two stages of mitosis have been given in correct sequence?
Differentiate between Centrosome and centromere.
Explain the Term Pachytene
Name the following:
Replacement of dead cells is accomplished by which process.
Name the Following
Nuclear envelope and nucleoli reappear in which stage.
Give Technical Terms
The stage in mitosis when the nucleolus starts disappearing.
Give Technical Terms
Division of nucleus.
Multiple Choice Question:
Karyokinesis is the division of
Multiple Choice Question:
The nuclear membrane disappears in
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the terms in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| (i) Anaphase | (a) Chromosomes become arranged in a horizontal plane at the equator. |
| (ii) Prophase | (b) Daughter chromosomes move to opposite poles of the spindle. |
| (iii) Telophase | (c) Chromosomes become visible as fine, long threads. |
| (iv) Metaphase | (d) Chromosomes lose their distinctiveness and gradually become transformed into chromatin network. |
Explain the following figure.
Give the sequence of the events occurring during the prophase of mitosis.
Identify the stage of mitosis from the below picture. List the chromosomal events in this stage.
Name these:
Two steps of the process Mitosis
