منابع مشابه
Sexual behaviour: Courting dissatisfaction
A nuclear receptor, the product of the dissatisfaction gene, has been found to regulate Drosophila sexual behaviour, probably via its action in a small subset of neurons. The results shed new light on the genetic determination of sexual behaviour.
متن کاملHormones and sexual behaviour.
Despite new technological advances and improved assay methods, the relationship between hormones and human sexual behavior is still poorly understood. Sex drive and responsiveness, gender identification, and sexual preference are all influenced by hormones. Endocrine studies of impotent men have produced conflicting results. Exogenous androgens seem to produce some results with impotent men....
متن کاملSexual behaviour: Secrets and flies
Recent studies of Drosophila courtship mutants provide a molecular foundation for sexual orientation and behaviour.
متن کاملSteroid control of sexual behaviour
Sexual behaviour can be described in terms of two components. The first, ‘appetitive’ component includes the search for a partner and the display of courtship behaviour that stimulates the partner’s sexual interest. This component is linked to the degree of motivation. The second, ‘consummatory’ component includes the display of behaviour that will lead to mating: adoption of a correct posture ...
متن کاملNatural sexual behaviour of donkeys
Donkeys are bred throughout the world and often play an important role in agriculture. They are also bred to produce mules. Traditionally, jacks are considered challenging to breed in domestic conditions, whether for natural breeding or semen collection using either jennies or mares. The donkey’s natural sexual behaviour significantly differs from that of other domestic animals. This presents c...
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ژورنال
عنوان ژورنال: BMJ
سال: 1993
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.306.6877.583