The science of zoology

The science of zoology

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Prolactin likewise may play little or no role in sperm production as such, but the hormone is known to be responsible for any paternal behavior a male vertebrate may exhibit (e.g., protective ... Diagram: the control of androgen secretion. ... Female dogs, for example, come into estrus just once during a breeding season.

Title:The science of zoology
Author: Paul B. Weisz
Publisher: - 1966

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