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TLS Online TPP Program

#Question id: 5426

Which of the following is incorrect regard polygenic inheritance?

#Unit 8. Inheritance Biology

  1. Several loci are involved in the expression of the trait

  2.  There is no dominance or recessive at each of these loci

  3. The loci act in concert in an additive fashion

  4. The environment does not interacts with the genotype to produce the final phenotype

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TLS Online TPP Program

#Question id: 67

#Unit 1. Molecules and their Interaction Relevant to Biology

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?
TLS Online TPP Program

#Question id: 19359

#Unit 13. Methods in Biology

A plasmid vector that contains origin of replication from a phage, in addition to that of the plasmid, is
called ?
TLS Online TPP Program

#Question id: 4722

#Unit 8. Inheritance Biology

Penetrance is the percentage of individuals having a particular genotype, who express the associated phenotype, following statement, are correct about Penetrance.
TLS Online TPP Program

#Question id: 19123

#Unit 12. Applied Biology

What is a Biosensor?
1. Device which employs a biological material to specifically interact with an analyte
2. Physical change measured and converted into an electrical signal 
3. Device which separate analytes 
Which of the following above statements are true for biosensor?
TLS Online TPP Program

#Question id: 8718

#Unit 9. Diversity of Life Forms

Which of the following would, if it had acted upon a gene, prevent this gene from acting as a reliable molecular clock?