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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.
APPEARS IN
संबंधित प्रश्न
“Gametes must be produced by meiosis for sexual reproduction”. Why is it so?
Fill in the blank:
Both ______ and heterotypic divisions occur in meiosis.
Choose the correct answer :
Mitosis results in
Give reason:
Why is meiosis referred to as 'reductional division'?
Where does the meiosis occur in our body?
Differentiate between
Anaphase of Mitosis and Anaphase of Meiosis-I.
Multiple Choice Question:
Leptotene, Zygotene, and Diplotene phases are found in
