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#Question id: 15006


Which of the following is not a mechanism for sex determination?

#Unit 8. Inheritance Biology
  1. The Z-W system.
  2. The X-O system.
  3. The haplo-diploid system.
  4. The parthenogenetic system.

Answer:- Option(s): 4


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#Question id: 12315

#Unit 10. Ecological Principles

In the evolution of whelk- eating behavior in crows, which of the following did natural selection minimize? 

TLS Online TPP Program

#Question id: 1060

#Unit 4. Cell Communication and Cell Signaling

If the infecting phage lacks some critical pieces of DNA necessary for replication, it is called

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#Question id: 4111

#Unit 3. Fundamental Processes

Which of the following is NOT characteristic of a eukaryotic enhancer element?

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#Question id: 5043

#Unit 5. Developmental Biology

 The ability of a single cell to divide and produce all of the differentiated cells in an organism:

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#Question id: 334

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements about hydrogen bonding is not true?

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