ZZ-ZW SEX DETERMINATION

The female is heterogametic, and the male is homogametic. The ZZ-ZW system is found in birds, some reptiles, butterflies, some amphibians, and some fishes. 

TLS Online TPP Program

#Id: 1854

#Unit 3. Fundamental Processes

Class II promoters have two parts:

Core promoter having 4 elements

Upstream promoter element

TLS Online TPP Program

#Id: 168

#Unit 5. Developmental Biology

Expression of Pax6 protein constitute the competence of the surface ectoderm to respond to the optic vesicle.

TLS Online TPP Program

#Id: 10242

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 5688

#Unit 7. System Physiology – Animal

Oxytocin and vasopressin are typical neural hormones, that is, hormones secreted into the circulation by nerve cells

TLS Online TPP Program

#Id: 5977

#Unit 10. Ecological Principles

Total NPP ( gm-2 yr-1 ) Tropical rain forest > Temperate forest > Tropical savannas > Mediterranan Shrub land > Temperate grass land > Crops > Boreal forest> Desert > Tundra