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प्रश्न
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
How many daughter cells would you expect if 4 cells undergo
(i) Mitosis
(ii) Meiosis
(iii) Amitosis
Fill in the blank:
Both ______ and heterotypic divisions occur in meiosis.
Choose the correct answer:
In meiosis, chromosome number is reduced by
Choose the correct answer :
Mitosis results in
Choose the correct answer:
Gametes are formed by ________________
Choose the correct answer:
Gametes are formed by _____________
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.
Mention the stages of meiotic Prophase -I.
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:
