In sea urchin DNA, which is double-stranded 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are:

1. G/34%, A/24.5%, T/24.5%
2. G/17%, A/16.5%, T/32.5%
3. G/17%, A/33%, T/33%
4. G/8.5%, A/50%, T/24.5%

Which one of the following is wrongly matched?

Transformation was discovered by:

1. Meseson and Stahl

2. Hershey and Chase

3. Griffith

4. Waston and crick

An analysis of chromosomal DNA using the Southern hybridization technique does not use:

1. Electrophoresis

2. Blotting

3. Autoradiography

4. PCR

The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C.

1. A - translation B - transcription C - Erwin Chargaff

2. A -transcription B - translation C - Francis Crick

3. A - translation B - extension C - Rosalind Franklin

4. A - transcription B - replication C - James Watson

Select the correct option: 

Commonly used vectors for human genome sequencing are:

Which enzyme(s) will be produced in a cell in which there is a non-sense mutation in the lac Y gene?

Removal of RNA polymerase III from nucleoplasm will affect the synthesis of:
1. tRNA
2. hnRNA
3. mRNA
4. rRNA

PCR and Restriction Fragment Length Polymorphism are the methods for:

1. Study of enzymes

2. Genetic transformation

3. DNA sequencing

4. Genetic fingerprinting