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प्रश्न
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उत्तर
Different stages involved in meiosis:
(a) The diploid number of chromosomes appear
(b) Homologous chromosomes pair with each other , shorten and thicken
(c) Replication has occurred and the chromatics visible at equatorial plane
(d) Homologous chromosomes move apart except at the chissmata where the chromatids have exchanged portions
(e) A spindle forms and homologous chromosomes move to opposite ends taking the exchanged portions with them.
(f) Homologous chromosomes seperated but not enclosed in nuclear membranes
(g) Spindles form at right angles to the first one and the chromatids separate
(h) Four nuclei appear , each enclosing the hapoid number of chromosomes
(i) Cytoplasm divides to form four gametes.
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संबंधित प्रश्न
Meiosis occurs only in __________ cells.
State the difference between:
Centrosome and centromere:
Fill in the blank:
Both ______ and heterotypic divisions occur in meiosis.
Where does the meiosis occur in our body?
Differentiate between
Anaphase of Mitosis and Anaphase of Meiosis-I.
Name the following:
The process by which gametes are produced.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Prophase of meiosis-I has five sub-stages.
Multiple Choice Question:
The process of meiosis takes place to produce
If the cell (A) has undergone one mitotic division and another cell (B) has completed its meiotic division. The number of cells produced in A and B would be
Cell A: Cell B:
A bivalent of meiosis-I consists of
