APC/CCdc²⁰ is inhibited by a checkpoint pathway that ensures that anaphase is not initiated until all chromosomes have achieved proper attachment to the mitotic apparatus.

TLS Online TPP Program

#Id: 9412

#XL - T Zoology

Sexual dimorphism can evolve when selection favors the expression of a trait to be different in males and females. 

This situation is called sexually antagonistic selection, because an increase in the trait’s expression benefits one sex but harms the other.

TLS Online TPP Program

#Id: 9857

#XL - R Botany

phot1 is the primary phototropic receptor mediates phototropism in response to low and high fluence rates of blue light. 

phot2 mediates phototropism in response to high light intensities

TLS Online TPP Program

#Id: 9199

#XL - T Zoology

Directional Natural selection

Directional selection favors individuals at one extreme of a phenotypic distribution that have greater reproductive success in a particular environment.

TLS Online TPP Program

#Id: 10583

#XL - R Botany

Algae

They exist as-

Microscopic Unicellular- Chlamydomonas

Colonial Forms- Volvox 

filamentous forms- Ulothrix and Spirogyra

TLS Online TPP Program

#Id: 10339

#XL - Q Biochemistry