VNTR stands for Variable Number of _______ Repeats.

[Molecular-Basis-of-Inheritance] [class-xii ]

• Terminal
• Tandem
• Total
• Typical
Correct Option: B  [ Tandem ]

Remark: VNTR = Variable Number of Tandem Repeats.

The blotting technique used in DNA fingerprinting is _______

[Molecular-Basis-of-Inheritance] [class-xii ]

• Southern
• Northern
• Western
• Eastern
Correct Option: A  [ Southern ]

Remark: Southern blot is for DNA.

VNTR probes are labeled with _______ materials.

[Molecular-Basis-of-Inheritance] [class-xii ]

• Fluorescent
• Radioactive
• Magnetic
• Dense
Correct Option: B  [ Radioactive ]

Remark: Radioactive probes are used for autoradiography.

DNA fingerprinting is useful in _______ disputes.

[Molecular-Basis-of-Inheritance] [class-xii ]

• Property
• Paternity
• Marital
• Employment
Correct Option: B  [ Paternity ]

Remark: It is used to solve paternity cases.

The sensitivity of DNA fingerprinting is increased by _______

[Molecular-Basis-of-Inheritance] [class-xii ]

• PCR
• Electrophoresis
• Blotting
• Digestion
Correct Option: A  [ PCR ]

Remark: PCR amplifies DNA, increasing sensitivity.

In a DNA helix, the two strands are coiled in a _______ handed fashion.

[Molecular-Basis-of-Inheritance] [class-xii ]

• Left
• Right
• Zero
• Random
Correct Option: B  [ Right ]

Remark: B-DNA is a right-handed helix.

RNA is _______ stable than DNA.

[Molecular-Basis-of-Inheritance] [class-xii ]

• More
• Less
• Equally
• Not
Correct Option: B  [ Less ]

Remark: RNA is less stable due to 2' OH.

Usually _______ DNA polymerase is found in E. coli.

[Molecular-Basis-of-Inheritance] [class-xii ]

• 1
• 2
• 3
• 5
Correct Option: C  [ 3 ]

Remark: There are 3 main DNA polymerases (I, II, III).

Replication fork is _______ shaped.

[Molecular-Basis-of-Inheritance] [class-xii ]

• X
• Y
• U
• V
Correct Option: B  [ Y ]

Remark: The fork is Y-shaped.

The coding sequences of DNA are known as _______

[Molecular-Basis-of-Inheritance] [class-xii ]

• Introns
• Exons
• Mutons
• Recons
Correct Option: B  [ Exons ]

Remark: Exons are the coding parts.