The testis makes two major hormones involved in sex determination-

-Anti-Müllerian hormone (AMH), causes the Müllerian duct to regress.

-Testosterone, causes differentiation of the Wolffian duct into the male internal genitalia.

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#Id: 2209

#Unit 11. Evolution and Behavior

Neo-Lamarckism- August Weismann cut off the tails of mice for many generations and showed that this mutilation had no effect on the tail length of their descendants

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#Id: 8148

#Unit 2. Cellular Organization

Depolymerization of the clathrin coat into triskelions  by Cytosolic Hsp70

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#Id: 7355

#Unit 11. Evolution and Behavior

The overall change in allelic frequency is a balance between the opposing forces of forward mutation and reverse  mutation:

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#Id: 4544

#Unit 12. Applied Biology

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#Id: 7058

#Unit 11. Evolution and Behavior

The Forces of Evolution

mutation, 

genetic drift

gene flow or migration

selection.