Explore topic-wise MCQs in Molecular Biology.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Molecular Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the holiday junction?

A. The site of strand break
B. The site of heteroduplex DNA formation
C. Formation of a crossing over complex
D. The site of strand invasion
Answer» D. The site of strand invasion
Discussion
2.

Recombination regulates the function of genes.

A. True
B. False
Answer» B. False
Discussion
3.

Homologous recombination does not provide ____________

A. Genetic variation
B. Sequence retrieval
C. Restart of stalled replication
D. Random base incorporation
Answer» E.
Discussion
4.

When two genes on a chromosome are inherited without any record of recombination the genes are said to be ____________

A. Silenced
B. Joined
C. Coordinated
D. Linked
Answer» E.
Discussion
5.

The frequency of crossing over between two genes on the same chromosome is independent of their position.

A. True
B. False
Answer» C.
Discussion
6.

Homologous recombination in germ cells occur in the ____________ phase.

A. Leptotene
B. Zygotene
C. Pachytene
D. Diplotene
Answer» D. Diplotene
Discussion