At which stage, the homologous chromosomes separate due to repulsion, but are yet held by chiasmata :

Related MCQs

• A. Number of chiasmata is more in longer chromosomes. R. The number of chiasmata depends on the length of chromosomes.
• 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.
• “The number of chiasmata depends on chromosomes” – What is the mistake in the given statement ?
• How does the pairs of homologous chromosomes appear during zygotene phase ?
• Pair of homologous chromosomes become arranged at the equatorial plane of the cell.
• Pairing of homologous chromosomes during zygotene is termed :
• In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to.....
• 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.
• A. During interphase, chromosomes are recognized as chromatin network. R. Chromosomes are highly dispersed during this phase.
• Match the following : Coulmn-I Coulmn-II (A) Prophase-I (i) Chromosomes move toward one plane along with centromere. (B) Metaphase-II (ii) Half the number of chromosomes in seen (C) Anaphase-I (iii) Longest phase of meiosis-I (D) Telophase-I (iv) Two nuclei are seen