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TLS Online TPP Program

#Question id: 4985


The loss of ventral spines by modern freshwater sticklebacks is due to natural selection operating on the phenotypic affects of Pitx1 gene

#Unit 11. Evolution and Behavior
  1. duplication (gain in number).

  2. elimination (loss).

  3. mutation (change).

  4. silencing (loss of expression).


Answer:- Option(s): 4


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TLS Online TPP Program

#Question id: 8685

#Unit 9. Diversity of Life Forms

Which of the following would be most useful in creating a phylogenetic tree of a taxon?

TLS Online TPP Program

#Question id: 19804

#Unit 12. Applied Biology

Insecticidal protein gene from the Streptomycesis taken and transformed tobacco plants to get resistance with

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#Question id: 1038

#Unit 4. Cell Communication and Cell Signaling

Lister developed his ideas on prevention of infection during medical procedures after studying the work of

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#Question id: 5533

#Unit 5. Developmental Biology

Cleavage is considered as

TLS Online TPP Program

#Question id: 2076

#Unit 2. Cellular Organization

An organism with a cell wall would most likely be unable to take in materials through:

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