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TLS Online TPP Program

#Question id: 5703

Robertsonian translocation is reciprocal exchange of genetic segment between two acrocentric chromosomes. Which of the following is incorrect statement?

#Unit 8. Inheritance Biology

  1. Translocation resulting karyotype in humans leaves only 45 chromosomes

  2. Robertsonian translocations carrier individuals are not associated with any phenotypic abnormalities

  3. All gamete of Robertsonian translocations carrier are unbalanced gametes that lead to miscarriages or abnormal offspring

  4. Carriers of Robertsonian translocations involving chromosome 21 have a higher risk of having a child with Down syndrome

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TLS Online TPP Program

#Question id: 3458

#Unit 11. Evolution and Behavior

Which of the following examples reflects the concept of optimal foraging?
TLS Online TPP Program

#Question id: 11991

#Unit 10. Ecological Principles

The success with which plants extend their range northward following glacial retreat is best determined by
TLS Online TPP Program

#Question id: 4689

#Unit 3. Fundamental Processes

Cleavage liberates precursors of rRNAs and tRNA Cleavage at the points that is carried out by the enzymes excepts
TLS Online TPP Program

#Question id: 19213

#Unit 12. Applied Biology

In Agrobacterium tumefaciens Crown gall formation is the consequence of
TLS Online TPP Program

#Question id: 4965

#Unit 11. Evolution and Behavior

What is thought to be the correct sequence of these events, from earliest to most recent, in the evolution of life on Earth?

1.  origin of mitochondria

2.  origin of multicellular eukaryotes

3.  origin of chloroplasts

4.  origin of cyanobacteria

5.  origin of fungal-plant symbioses