Most cells lack RIII, TGF-β binds directly to the RII

dimer, but Active RII kinase activity is not sufficient to generate an intracellular signal

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#Unit 8. Inheritance Biology

Recombination is also reduced within a pericentric inversion. No dicentric bridges or acentric fragments are produced.

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#Unit 8. Inheritance Biology

Recombinant chromosomes have too many copies of some genes and no copies of others, so gametes that receive the recombinant chromosomes cannot produce viable progeny. 

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#Unit 8. Inheritance Biology

This suppression of recombination allows alleles adapted to a specific environment to remain together, unshuffled by recombinationsomes cannot produce viable progeny. 

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#Unit 8. Inheritance Biology

Suppression of recombination

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#Unit 8. Inheritance Biology

Translocation

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#Unit 8. Inheritance Biology

Translocation Movement of genetic material between nonhomologous chromosomes or within the same chromosome.