Cytogenetics Meiosis Prophase 1 Pachytene Online Exam Quiz
Cytogenetics Meiosis Prophase 1 Pachytene GK Quiz. Question and Answers related to Cytogenetics Meiosis Prophase 1 Pachytene. MCQ (Multiple Choice Questions with answers about Cytogenetics Meiosis Prophase 1 Pachytene
What is the stretch of DNA remaining unreplicated during pachytene?
Options
A : 200bp
B : 1000bp
C : 104bp
D : 10 kb
Crossing over doesn’t take place ________________
Options
A : Between two sister chromatids
B : Between two non-sister chromatids
C : For recombination repair
D : Between three chromatids
The point where the synaptonemal complex is attached to nuclear envelope is called _______________
Options
A : Bouque stick
B : Meiotic point
C : Fixation point
D : Telomerin
Choose the wrong statement.
Options
A : DNA replication in pachytene if prevented will lead to arm breakage
B : Replication in pachytene is delayed semiconservative replication
C : This replication sites are 200bp long
D : The DNA replication in pachytene can be inhibited by normal replication inhibiting agents
Electron dense bars located in the synaptonemal complex in pachytene is _________________
Options
A : LC complex
B : Recombination nodule
C : Pachytene cluster
D : Synaptomere
What is the fate of nucleolus in pachytene?
Options
A : Nucleolus disappears
B : Nucleolus appears like thin chromatin
C : Nucleolus is disintegrated
D : Nucleolus remains attached to particular tetrad
In an experiment you introduce a pair of unpaired homologous chromosomes into pachytene stage, what will you expect to observe?
Options
A : Pairing and subsequent recombination
B : Pairing will occur but no recombination
C : No pairing will occur but recombination will take place
D : Neither pairing nor recombination
In pachytene the polar arrangement of chromosomes disappears.
Options
A : True
B : False
C :
D :
The chiasma is first formed and then at that point crossing over takes place.
Options
A : True
B : False
C :
D :
Synaptonemal complex is shed in _______________ stage, from parts other than recombination site.
Options
A : Zygotene
B : Pachtene
C : Diplotene
D : Diakinesis
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