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TLS Online TPP Program

#Id: 9467

SH2 domain of STAT binds to a specific phosphotyrosine in the cytosolic domain of an activated receptor

#Unit 4. Cell Communication and Cell Signaling #Cytokine Receptors & JAK/STAT Signaling Pathway #Part B Pointers
PYQ Links
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Extensive Links
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TLS Online TPP Program

#Id: 9209

#Unit 11. Evolution and Behavior

Founder effect
A few individuals form a population start a new population with a different allele frequency than the original population.
Sampling error can arise is through the founder effect, which results from the establishment of a population by a small number of individuals.
TLS Online TPP Program

#Id: 9210

#Unit 11. Evolution and Behavior

Genetic bottleneck
Genetic drift arises is through a genetic bottleneck, which develops when a population undergoes a drastic reduction in size
TLS Online TPP Program

#Id: 9211

#Unit 11. Evolution and Behavior

THE MAGNITUDE OF GENETIC DRIFT
n  = population size
pq=allelic frequency
sp2=variance in allelic frequency among the populations
TLS Online TPP Program

#Id: 9212

#Unit 11. Evolution and Behavior

Loss of their original diversity per generation
=1/2n
Gain of their original diversity per generation
=1/2n 
Gain or Loss of their original diversity per generation
=1/4n
TLS Online TPP Program

#Id: 9213

#Unit 11. Evolution and Behavior

Probability of being heterozygote in given population
H = 1 - 1/2N
TLS Online TPP Program

#Id: 9214

#Unit 11. Evolution and Behavior

Effective population size(Ne)
Effective number of breeding adults in a population.