Ste20 phosphorylates and activates Ste11, a serine/threonine kinase

TLS Online TPP Program

#Id: 9420

#XL - T Zoology

Runaway selection: Females choose mates without the offering of obvious material benefits or parenting skills, and instead make their choices based on plumage color or courtship peahen may choose her peacock with long tail feather.

TLS Online TPP Program

#Id: 9421

#XL - T Zoology

Handicap principle: Long tail feathers function as a sign of an individual’s genetic quality because the bearer must be able to afford this energetically costly trait. 

TLS Online TPP Program

#Id: 9422

#XL - T Zoology

Intrasexual selection - Members of one sex, usually males, compete over partners, and the winner performs most of the mating.

TLS Online TPP Program

#Id: 9423

#XL - T Zoology

Sexual dimorphism in primates

TLS Online TPP Program

#Id: 9424

#XL - T Zoology

Parental investment - Parental investment refers to the contributions each sex makes in producing and rearing offspring.

TLS Online TPP Program

#Id: 9426

#XL - T Zoology