Which of the following statement is/are correct for Prophase-I ?
(i) During diplotene, the members of each pair of homologous chromosomes start moving away from one another.
(ii) In zygotene, bivalent chromosomes appear tetravalent.
(iii) In diakinesis, chromatids become separated even at the site of chiasmata.

Related MCQs

• A. Number of chiasmata is more in longer chromosomes. R. The number of chiasmata depends on the length of chromosomes.
• How does the pairs of homologous chromosomes appear during zygotene phase ?
• Which of the following statement is/are correct for Meiosis-II ? (i) Chromosomes are arranged on equatorial plate in prophase-II (ii) Nucleolus disappear during telophase-II (iii) In anaphase-II, the chromatids with their independent centromeres are called chromosomes. (iv) In metaphase-II, centromere of each chromosome becomes attached to filament of bipolar spindle.
• Select the correct option from Column-I and Column-II. Column-I Column-II (A) Leptotene (p) Synapsis (B) Zygotene (q) Formation of bipolar spindle (C) Pachytene (r) Condensation of chromosomes (D) Diakinesis (s) Crossing over
• Pairing of homologous chromosomes during zygotene is termed :
• At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata :
• Pair of homologous chromosomes become arranged at the equatorial plane of the cell.
• Match the following human spinal nerves in column I with their respective number in column II and choose the correct option (Kerala 2005) column I column II P. cervical nerves i. 5 pairs Q. thorocic nerve ii. 1 pair R. lumbar nerve iii. 12 pair S. coccygeal nerve iv. 8 pair
• If primary spermetocyte have 2n=16 chromosomes during first meiotic division,in such case how many chromatids could be present in each secondary spermatocyte?
• “The number of chiasmata depends on chromosomes” – What is the mistake in the given statement ?