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Heterothallic species have sexes that reside in different individuals. The term is applied particularly to distinguish heterothallic fungi , which require two compatible partners to produce sexual spores, from homothallic ones, which are capable of sexual reproduction from a single organism.
[2] It can be contrasted to heterothallic. It is often used to categorize fungi. In yeast, heterothallic cells have mating types a and α. An experienced mother cell (one that has divided at least once) will switch mating type every cell division cycle because of the HO allele.
The composition of two homotheties with centers S 1, S 2 and ratios k 1, k 2 = 0.3 mapping P i &rarrow; Q i &rarrow; R i is a homothety again with its center S 3 on line S 1 S 2 with ratio k ⋅ l = 0.6. The composition of two homotheties with the same center is again a homothety with center .
Lacanianism or Lacanian psychoanalysis is a theoretical system that explains the mind, behaviour, and culture through a structuralist and post-structuralist extension of classical psychoanalysis, initiated by the work of Jacques Lacan from the 1950s to the 1980s.
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The question was taken up again psychoanalytically in Ferenczi's article "Introjection and Transference" (1909), [4] but it was in the decade between "On Narcissism" (1914) and "The Ego and the Id" (1923) that Freud made his most detailed and intensive study of the concept. Freud distinguished three main kinds of identification.
Phenomenology or phenomenological psychology, a sub-discipline of psychology, is the scientific study of subjective experiences. [1] It is an approach to psychological subject matter that attempts to explain experiences from the point of view of the subject via the analysis of their written or spoken words. [ 2 ]
[1] [2] This type of heterogamy occurs for example in some aphids. Alternately, heterogamy or heterogamous is often used as a synonym of heterogametic, meaning the presence of two unlike chromosomes in a sex. [3] [4] For example, XY males and ZW females are called the heterogamous sex.