Q. In an experiment you introduce a pair of unpaired homologous chromosomes into pachytene stage, what will you expect to observe?

View solution

Q. The chiasma is first formed and then at that point crossing over takes place.

View solution

Q. What is the fate of nucleolus in pachytene?

View solution

Q. In pachytene the polar arrangement of chromosomes disappears.

View solution

Q. Crossing over doesn’t take place ________________

View solution

Q. What is the stretch of DNA remaining unreplicated during pachytene?

View solution

Q. Choose the wrong statement.

View solution

Q. Electron dense bars located in the synaptonemal complex in pachytene is _________________

View solution

Q. The separation of the chromosomes in diplotene stage starts at _________________

View solution

Q. Homologous chromosomes in zygotene pair due to attraction and synaptonemal complex formation. Which of the following is true for diplotene phase?

View solution

Q. What is the normal number of chiasma seen in diplotene chromosomes?

View solution

Q. In which of the following will you expect to see chiasma?

View solution

Q. Number of chiasma / total number of bivalent is________________

View solution

Q. According to Darlington terminalization process is brought about by ___________ force.

View solution

Q. Which of the following is wrong about diplotene?

View solution

Q. The chromosomes in oocytes persist in diplotene stage for 12-50 years. State if it is true or false.

View solution

Q. The number of chiasma in diakinesis stage _________

View solution

Q. What is the bivalent shape in diakinesis?

View solution

Q. Nuclear envelope breaks down finally in _____________

View solution

Q. Which of the following is true about the attachment of sister chromatid to kinetochore in this phase?

View solution