Additive effect of both allelic and non allelic. Quantitative characteristics include height, weight, intelligent and blood pressure in humans, growth rate in mice, seed weight in plants, and milk production in cattle.

TLS Online TPP Program

#Id: 943

#Unit 5. Developmental Biology

Chemotaxis 

sperms are attracted toward eggs of their species by following a gradient of a chemical secreted by the egg.

TLS Online TPP Program

#Id: 7245

#Unit 5. Developmental Biology

B- cell maturation

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#Id: 3338

#Unit 6. System Physiology – Plant

F1 has nine subunits of five different types, with the composition α₃ β₃ ϒδε

TLS Online TPP Program

#Id: 7969

#Unit 10. Ecological Principles

Biogeochemical cycles can be divided into two broad types:

Local cycles, which involve elements with no atmospheric mechanism for long-distance transfer. Ex- The phosphorus cycle

Global cycles, which involve an interchange between the atmosphere and the ecosystem. Ex- The carbon, Nitrogen, Sulfur, and Water

TLS Online TPP Program

#Id: 1205

#Unit 7. System Physiology – Animal

During female reproductive cycle, Estrogen stimulate rapid proliferation of the stromal cells and the epithelial cells of endometrium, before ovulation.