TLS Online TPP Program

#Question id: 2993


During meiosis, a defect occurs in a cell that results in the failure of spindle microtubules binding at the kinetochores. Which of the following statements describes the most likely result of such a defect?

#SCPH06 I Botany
  1. New microtubules with more effective binding capabilities to kinetochores will be synthesized to compensate for the defect.

  2. Excessive cell divisions will occur resulting in cancerous tumors and an increase in the chromosome numbers known as polyploidy.

  3. The defect will be bypassed in order to ensure normal chromosome distribution in the new cells.

  4. The resulting cells will not receive the correct number of chromosomes in the gametes, a condition known as aneuploidy.

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TLS Online TPP Program

#Question id: 11911

#SCPH28 | Zoology

Michael Moulton and Stuart Pimm (1986) showed how the success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present , find out the correct graph represents, morphological differences and the probability of invasion success ;

TLS Online TPP Program

#Question id: 11912

#SCPH06 I Botany

The success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present. If there was a small morphological difference in bill length between the resident and introduced species, then

TLS Online TPP Program

#Question id: 11912

#SCPH28 | Zoology

The success of birds introduced to Tahiti or the Hawaiian Islands was dependent on the morphology of the species already present. If there was a small morphological difference in bill length between the resident and introduced species, then

TLS Online TPP Program

#Question id: 11913

#SCPH06 I Botany

During the rate of succession several factors would be observe at the pioneer as well as climax community;


Match the community stages with its given characters;

TLS Online TPP Program

#Question id: 11913

#SCPH28 | Zoology

During the rate of succession several factors would be observe at the pioneer as well as climax community;


Match the community stages with its given characters;

TLS Online TPP Program

#Question id: 11914

#SCPH06 I Botany

Alder trees, which harbour nitrogen-fixing bacteria in their roots, provide nitrogen to soils developing on sandbars rivers, this is an example of,