Class XII · Biology practice

Molecular Basis of Inheritance MCQs

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668 questions in this collection · Page 45 of 67

Question 441 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

VNTR stands for Variable Number of _______ Repeats.

VNTR = Variable Number of Tandem Repeats.

Question 442 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

The blotting technique used in DNA fingerprinting is _______

Southern blot is for DNA.

Question 443 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

VNTR probes are labeled with _______ materials.

Radioactive probes are used for autoradiography.

Question 444 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

DNA fingerprinting is useful in _______ disputes.

It is used to solve paternity cases.

Question 445 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

The sensitivity of DNA fingerprinting is increased by _______

PCR amplifies DNA, increasing sensitivity.

Question 446 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

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

B-DNA is a right-handed helix.

Question 447 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

RNA is _______ stable than DNA.

RNA is less stable due to 2' OH.

Question 448 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

Usually _______ DNA polymerase is found in E. coli.

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

Question 449 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

Replication fork is _______ shaped.

The fork is Y-shaped.

Question 450 of 668

📘 CLASS XII

Molecular Basis Of Inheritance

The coding sequences of DNA are known as _______

Exons are the coding parts.

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