Two related genes that are derived from a gene duplication event are considered to be

a. homologous.                                   

b. paralogous.

c. orthologous.                       

d. members of a gene family.

TLS Online TPP Program

#Question id: 13183

#Unit 10. Ecological Principles

The MacArthur-Wilson equilibrium model of island biogeography predicts the number of species found on islands. The figure below depicts two volcanic islands located off a section of mainland coast.

According to the MacArthur-Wilson model, how would the number of bird species change from the time of an island's formation (assuming it remains constant in size and isolation)?

TLS Online TPP Program

#Question id: 1509

#Unit 4. Cell Communication and Cell Signaling

Cells that are infected, damaged, or have reached the end of their functional life span often undergo "programmed cell death." This controlled cell suicide is called apoptosis. Select the appropriate description of this event on a cell's life cycle.

TLS Online TPP Program

#Question id: 26934

#Unit 10. Ecological Principles

Morphological differences in two closely related species present in same geographical area shows

TLS Online TPP Program

#Question id: 15951

#Unit 12. Applied Biology

In wheat, callus growth and regeneration ability are governed by genes called

TLS Online TPP Program

#Question id: 3317

#Unit 11. Evolution and Behavior

Which of the following statements is NOT correct regarding effect of genetic drift?