Q. During pairing of the chromosomes which of the following is not true?

View solution

Q. The zygosome has ________________ head and _________ tail connecting to the opposite zygosome.

View solution

Q. The pairing of the chromosome is mediated by _______________ interactions.

View solution

Q. The synaptonemal complex is a portentous complex, which of the protein is not present in it?

View solution

Q. The point where the synaptonemal complex is attached to nuclear envelope is called _______________

View solution

Q. Synaptonemal complex is shed in _______________ stage, from parts other than recombination site.

View solution

Q. Which is the longest stage of spermatogenesis?

View solution

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