Explore topic-wise MCQs in Cytogenetics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Cytogenetics knowledge and support exam preparation. Choose a topic below to get started.

1.

5 |GAAGTTCCTATGC||CGAAGTTCCTATTC||TCTAGAAA||GTATAGGAACTTC 3 3 CTTCAAGGATACG||GCTTCAAGGATAAG||AGATCTTT||CATATCCTTGAAG 5

A. n If the DNA segments are named a, b, c and d respectively; and d is in opposite orientation to a and b, which of the following is dispensable for recombianse action?
B. a
C. b
D. c
E. d
Answer» B. a
Discussion
2.

Excision of the lamda phage genome from bacterial genome requires IHF and _______________

A. Integrase from phage and XIS from bacteria
B. FIS from phage and XIS from bacteria
C. FIS from phage and INT from bacteria
D. XIS from phage and FIS from bacteria
Answer» E.
Discussion
3.

Integration of the phage into bacterial genome requires__________________

A. Integrase and XIS
B. Integrase and IHF
C. XIS and IHF
D. XIS and FIS
Answer» C. XIS and IHF
Discussion
4.

If there is a flanking region between two similarly oriented LoxP sequence, what will be its fate on site-specific recombination?

A. It will remain as it is
B. It will be inserted
C. It will be excised out
D. The regions surrounding it will be exchanged
Answer» D. The regions surrounding it will be exchanged
Discussion