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TLS Online TPP Program

#Id: 4308


Haldane’s rule: hybrid sterility or hybrid inviability is often limited to the heterogametic sex. (The heterogametic sex is the one with two different sex chromosomes, while the homogametic sex has two sex chromosomes of the same type).

#Unit 11. Evolution and Behavior #Theory Of Evolutionary thought #Part B Pointers
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TLS Online TPP Program

#Id: 10310

#Unit 4. Cell Communication and Cell Signaling

Regulation and function of T helper subtypes

TLS Online TPP Program

#Id: 2368

#Unit 5. Developmental Biology

Loss of the zeta population 

Epidermal cell types do not fully regenerate in the absence of zeta neoblasts, the remaining neoblasts (likely sigma) and their derived cell types are unaffected.


TLS Online TPP Program

#Id: 3683

#Unit 2. Cellular Organization

There are 6000 genes in yeast; 21,700 in a nematode worm; 17,000 in a fly; 25,000 in the small plant Arabidopsis; and probably 20,000 to 25,000 in mice and humans

TLS Online TPP Program

#Id: 1820

#Unit 10. Ecological Principles

Population doubling time in exponential growth

TLS Online TPP Program

#Id: 8096

#Unit 1. Molecules and their Interaction Relevant to Biology

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