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TLS Online TPP Program

#Id: 5429

Orthograde transport has:
Fast axonal transport occurs at about 400 mm/day 
Slow axonal transport occurs at 0.5 to 10 mm/day




















#Unit 7. System Physiology – Animal #Nervous system, Neurons, action potential #Part B Pointers
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TLS Online TPP Program

#Id: 6327

#Unit 8. Inheritance Biology
TLS Online TPP Program

#Id: 6328

#Unit 8. Inheritance Biology

XX-XO SEX DETERMINATION

The mechanism of sex determination in the grasshoppers studied by McClung
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.