heterogamy


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Related to heterogamy: heterogamous

heterogamy

 [het″er-og´ah-me]
the conjugation of gametes differing in size and structure to form the zygote from which the new organism develops; this occurs in higher life forms.

het·er·og·a·my

(het'ĕr-og'ă-mē),
1. Conjugation of unlike gametes.
2. Bearing different types of flowers.
3. Reproduction by indirect methods of pollination.
[hetero- + G. gamos, marriage]

heterogamy

/het·er·og·a·my/ (het″er-og´ah-me)
1. reproduction resulting from the union of two dissimilar gametes, particularly in higher organisms.
2. alternation of generations in which the two types of sexual reproduction alternate, as bisexual and parthenogenetic.heterog´amous

heterogamy

(hĕt′ə-rŏg′ə-mē)
n.
1. Alternation of sexual and parthenogenic generations, as in some aphids.
2. See anisogamy.
3. The state of having different types of flowers on the same plant, as both pistillate ray florets and staminate disk florets in a flower head.

het′er·o·gam′ic (-rō-găm′ĭk) adj.

heterogamy

[het′ərog′əmē]
Etymology: Gk, heteros + gamos, marriage
2 See heterogenesis, def 1. heterogamous, adj.

het·er·og·a·my

(het'ĕr-og'ă-mē)
1. Conjugation of unlike gametes.
2. Bearing different types of flowers.
3. Reproduction by indirect methods of pollination.
[hetero- + G. gamos, marriage]

heterogamy

  1. the alternation of forms of sexual reproduction.
  2. see HETEROGAMETIC SEX.

heterogamy

the conjugation of gametes differing in size and structure, to form the zygote from which the new organism develops.
References in periodicals archive ?
1989), "Marital Heterogamy and Marital Quality in Puerto Rican Families", Journal of Marriage and Family, num.
White coat is one of the hair color characteristics mainly found in Hereford, Shorthorn, Belgian Blue, and Texas Longhorn breeds, and is expressed as the R/r+ type heterogamy allele (Seo et al.
48) The three barriers to heterogamy are described by inheritance, sectoral, and hierarchy parameters.
However, it definitely does not support the hypothesis of decreasing barriers to inter-class heterogamy over time.
On the contrary, some barriers to heterogamy actually seemed to become stronger at the end of the nineteenth century.
At the same time, educational homogamy is stronger than in Germany, while a far higher proportion of partnerships in Britain -- but also in Norway in 1980 -- when compared to Germany or Norway ten years previously -- are characterised by female superiority in education, producing a social distribution which can be described as "symmetrical heterogamy.
Sociodemographic and Marital Heterogamy Influences on the Decision for Voluntary Sterilization," Journal Marriage and the Family, 49:465-474, 1987.
Perhaps the novel is saying that not all women who love women are congenital inverts, or that lesbians differ significantly from homosexual men in their nature and experiences, or that lesbians simply differ from one another in important ways - certainly Nora's almost religious faithfulness, Robin's tortured heterogamy, Jenny's parasitism are sufficiently distinct to keep us from reading the lesbian as a monolithic Other.
43) Heterogamy was strong only in strata with unbalanced gender ratios, e.
But it is far less evident that this two-to-one ratio of homogamy to heterogamy constituted "tight alliance," let alone that it could have constituted the basis of an enduring social equilibrium in Florence, except in a safety-valve sort of way.