Cytogenetics Homologous Dna Recombination Online Exam Quiz
Cytogenetics Homologous Dna Recombination GK Quiz. Question and Answers related to Cytogenetics Homologous Dna Recombination. MCQ (Multiple Choice Questions with answers about Cytogenetics Homologous Dna Recombination
If an organism has 8 chromosomes in diploid condition, what will be the number of chromosomes after telophase of meiosis 1?
Options
A : 2
B : 4
C : 8
D : 16
How many Rec A are present in one turn around the single stranded chromosome?
Options
A : 5.2
B : 9.0
C : 2.3
D : 6.2
If there are 2 strands of chromosomes that can pair with a single strand, and they are both paired to the same strand, their junction is called_______________
Options
A : Chimera
B : Chi
C : Double binding
D : Branch point
Holliday intermediate could be mistaken for ___________ under microscope.
Options
A : Hetero chromatin
B : Circular plasmid
C : Linear extracellular chromosome
D : Broken chromosome
Homologous DNA recombination in prokaryotes take place for________________
Options
A : Increasing variability
B : Repair
C : Incorporation of gene
D : Taking up a plasmid from media
Recombination occurs in ______________
Options
A : Leptotene
B : Zygotene
C : Pachytene
D : Diplotene
Rec A doesn’t____________________
Options
A : Line up the homologous chromosome with the one it surrounds
B : Perform spooling
C : Cleaves at recombination site
D : Help in branch migration
The Ruv A of the resolvosome complex binds at________
Options
A : On each chromosome on either side of branch point
B : At the branch point
C : After exchange
D : At the terminals
In single stranded nick__________
Options
A : The 3’-OH end of the nick invades other complete strands
B : Both the strands undergo fork regression
C : The nick is treated like an okazaki fragment point
D : The nick is bypassed without repair
In case of chicken foot Holliday intermediate, the template strand for synthesis across lesion is___________
Options
A : The parent strand aligned along strand with lesion
B : The parent strand aligned against lesion strand
C : The daughter strand with lesion
D : The daughter strand without lesion
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