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isogamy
isogamy
isogamy Sexual reproduction involving the production and fusion of gametes that are similar in size and structure. It occurs in some protoctists, e.g. certain protozoans and algae. Compare
anisogamy.
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 "Philadelphia Inquirer (Philadelphia, PA)")
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Carnal How we evolved into male and female.
Newspaper article from: Philadelphia Inquirer (Philadelphia, PA); 12/18/2006; ; 700+ words
; ...between male and female. Many organisms, including some fungi, algae and single-celled pond-swimmers, still practice isogamy. In doing so they offer clues to the mystery of why and how the sexes ever evolved. To understand life before the advent...
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Identification of the Minus-Dominance Gene Ortholog in the Mating-Type Locus of Gonium pectorale
Magazine article from: Genetics; 1/1/2008; ; 700+ words
; ...imply that anisogamous/ oogamous species of the colonial Volvocales evolved from an ancestral colonial species that exhibits isogamy as in G. pectorale (Nozaki and Itoh 1994; Nozaki et al. 2000). The genus Gonium is phylogenetically important, as it...
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The Interpretation of Caste.
Magazine article from: Journal of the Royal Anthropological Institute; 6/1/1996; ; 700+ words
; ...only the political nature of caste hierarchy (i.e. differential access to power) explains variation: hypergamy and isogamy are different faces of the same coin, means of maximizing status within the political constraints of peasant society. Following...
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How we evolved into male and female.
Newspaper article from: Philadelphia Inquirer (Philadelphia, PA); 12/21/2006; ; 700+ words
; ...between male and female. Many organisms, including some fungi, algae and single-celled pond-swimmers, still practice isogamy. In doing so they offer clues to the mystery of why and how the sexes ever evolved. To understand life before the advent...
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isogamy
Book article from: A Dictionary of Plant Sciences
isogamy The fusion of gametes that are morphologically alike. This is an uncommon condition, found in some green algae , fungi , and protozoa. Compare OOGAMY .
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conjugation
Book article from: A Dictionary of Zoology
...unicellular organisms such as bacteria and Protozoa , although it is sometimes also applied to the union of gametes , particularly in isogamy . Details of the process differ greatly between different organisms. For example, in bacteria only DNA is transferred from...
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anisogamy
Book article from: A Dictionary of Plant Sciences
anisogamy The fusion of gametes of different sizes. Compare ISOGAMY ; see also OOGAMY .
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reproduction
Book article from: The Columbia Encyclopedia, Sixth Edition
...develops into a new organism. The union of two isogametes (structurally identical but differing physiologically) is called isogamy, or conjugation, and occurs only in some lower forms (e.g., Spirogyra and some protozoa). Heterogamy is the fusion...
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oogamy
Book article from: A Dictionary of Plant Sciences
oogamy Fertilization by the fusion of a large, non-motile, female gamete with a small, usually motile , male gamete. It is an extreme form of anisogamy . Compare ISOGAMY .
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