A promising biological method for insect controlinvolves the release of insects that could interferewith the fertility of the normal resident insects. Oneapproach is to introduce sterile males to compete withthe resident fertile males for matings. A disadvantageof this strategy is that the irradiated sterile males arenot very robust and can have problems competingwith the fertile males. An alternate approach that iscurrently being tried is to release laboratory-rearedinsects that are homozygous for several translocations.Explain how this strategy will work. Be sure to mention which insects will be sterile.

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Sexual Motivation

Sexual motivation refers to a person's overall desire for sexual activity. It is an unusual motivation. Generally, among lower animals, the term 'drive' is commonly referred to as sexual motivation. It means a certain internal force drags the animal to be involved in reproductive behavior. On the contrary, humans are not simply driven by any internal force; rather, the sexual motivation in humans is due to several factors such as biological (hormones, genes), environmental (familial upbringing, chemical exposure) and physiological factors (culture, desire) which further determine engagement in sexual activities.