Assumptions—If a population is large, randomly mating, and not affected by  mutation, migration, or natural selection.

Prediction 1 —The allelic frequencies of a population do not change

Prediction 2- The genotypic frequencies stabilize after one  generation in the proportions p2, 2pq, and q2.

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The anterior pituitary secretes six peptide hormones: 

TSH, FSH, LH, GH, prolactin, & ACTH

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#Unit 7. System Physiology – Animal

Thyrotropin-releasing hormone (TRH) 

Tripeptide

Stimulates secretion of TSH by thyrotropes

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#Unit 7. System Physiology – Animal

Corticotropin-releasing hormone (CRH) 

Stimulates secretion of ACTH by corticotropes

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ACTH (corticotropin) 

controls the secretion of cortisol by the activation of adenylyl cyclase via Galpha s.

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The ACTH family is derived from a single precursor,

pro-opiomelanocortin (POMC)