During formation of a clot the initial event is constriction of the vessel and formation of a temporary hemostatic plug of platelets.

TLS Online TPP Program

#Id: 6329

#Unit 8. Inheritance Biology

XX-XY SEX DETERMINATION

TLS Online TPP Program

#Id: 6330

#Unit 8. Inheritance Biology

Pseudoautosomal 

Region Small region of the X and Y chromosomes that contains homologous gene sequences.

TLS Online TPP Program

#Id: 6331

#Unit 8. Inheritance Biology

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: 6332

#Unit 8. Inheritance Biology

Genic sex determination  - Sex determination in which the sexual phenotype is specified by genes at one or more loci In mammals, a gene (SRY) located on the Y chromosome determines the male phenotype.

TLS Online TPP Program

#Id: 6333

#Unit 8. Inheritance Biology

Environmental Sex Determination

TLS Online TPP Program

#Id: 6334

#Unit 8. Inheritance Biology

Sequential hermaphroditism Phenomenon in which the sex of an individual organism changes in the course of its lifetime.