There are four alleles, A1, A2, A3 and A4 in equal abundance in frequency. Hardy-Weinberg equilibrium frequencies of the total heterozygote would be

TLS Online TPP Program

#Question id: 12936

#Unit 13. Methods in Biology

Adding small double-stranded molecules with one internal site for a restriction endonuclease,termed ______ to cDNA.

TLS Online TPP Program

#Question id: 12937

#Unit 13. Methods in Biology

Choose the incorrect statement about Yeast Artificial Chromosome vectors.

TLS Online TPP Program

#Question id: 12938

#Unit 13. Methods in Biology

What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?

1. It has ability to clone very large fragments of DNA.

2. YAC vectors do not contain origin of replication sites 

3. It has insert  range up to 2000 kb.

4. It help in genome mapping and sequencing projects.

TLS Online TPP Program

#Question id: 12939

#Unit 13. Methods in Biology

Choose the incorrect statement for the production of site-directed mutations.

TLS Online TPP Program

#Question id: 12940

#Unit 13. Methods in Biology

 Choose the correct order for the steps involve in Protein engineering.

1. Protein modelling

2. Protein crystallography

3. Site-directed mutations

4. Comparison with entries in databases of known proteins.

TLS Online TPP Program

#Question id: 12941

#Unit 13. Methods in Biology

Name the therapeutic protein which has been used to successfully treat certain types of breast cancer.