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: 9179

#XL - T Zoology

Fitness- Average number of offspring produced by a genotype and divide it by the mean number of offspring produced by the most prolific genotype

TLS Online TPP Program

#Id: 7887

#XL - Q Biochemistry

In highly polarized cells, mitochondria can move long distances being propelled along microtubule tracks

TLS Online TPP Program

#Id: 4308

#XL - T Zoology

Haldane’s rule: hybrid sterility or hybrid inviability is often limited to the heterogametic sex. (The heterogametic sex is the one with two different sex chromosomes, while the homogametic sex has two sex chromosomes of the same type).

TLS Online TPP Program

#Id: 9991

#XL - T Zoology

Rac and RhoA GTPases coordinate changes in cytoskeleton organization and also through Jun-N-terminal kinase (JNK) regulate gene expression

TLS Online TPP Program

#Id: 10309

#XL - Q Biochemistry