TLS Online TPP Program

#Question id: 4031


An experiment was designed to obtain nonspecific transcription from both strands of a DNA molecule. Which of the following strategies would be most effective in achieving this?

#Unit 3. Fundamental Processes
  1. Include the RNA holoenzyme in the reaction.

  2. Use the core enzyme of RNA polymerase.

  3. Enrich the preparation with sigma subunit. 

  4. Use intact DNA.

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TLS Online TPP Program

#Question id: 12165

#Unit 8. Inheritance Biology

If the environmental variance increases and all other variance components remain same , then what will be the effect on heritability?

TLS Online TPP Program

#Question id: 12166

#Unit 8. Inheritance Biology

If cross has made between the plant height 46cm and 10cm , then the F1 progeny shown 28cm . If the of this cross is 3QTL, then how much phenotypes will be formed?

TLS Online TPP Program

#Question id: 12167

#Unit 8. Inheritance Biology

If a cross is made between the two individuals such as,

The F1 shows the 512 individuals, contain the 2 individual shows maximum phenotype. 

i) No. of QTLs

ii) No. of polygenes involved

iii) No. of phenotypes in F2  generation

iv) No. of genotypes in F2 generation

Calculate the given different values;

TLS Online TPP Program

#Question id: 12168

#Unit 8. Inheritance Biology

The proportion of the total phenotypic  variation that is due to genetic differences is known as 

TLS Online TPP Program

#Question id: 12169

#Unit 8. Inheritance Biology

During the phenotypic variations, the genotype shows variation at different effect given in graph;


According to the graph , this is an example of,

TLS Online TPP Program

#Question id: 12170

#Unit 8. Inheritance Biology

Sex determination in the grasshoppers is X-linked, if the cross is made between the heterozygous red phenotypic  female with the heterogametic red phenotypic male , then what will be the ratio of male and female with the red phenotype in F1 generation?