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Animal Behavior Desk Reference: A Dictionary of Animal ...
macroevolutionist See evolutionist: macroevolutionist. ♢ macrogamete See
gamete: macrogamete. ♢ macrogamy See -gamy: hologamy. ♢ macrogenesis See
2evolution: punctuational evolution, saltational evolution. ♢ macrogyne See caste
: ...
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Text Book Of Botany Diversity Of Microbes And Cryptogams
In hologamy the mature individuals function as gametes. 5. All algae are
autotrophic. 6 Heterotrichy means having branches modified into leaves and air
bladders. 7. The surface of acronematic flagellum is covered with fine filamentous
...
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Competition Science Vision
(ii) Hologamy : • Hologamy is a kind of gametangial copulation in which fusion
takes place between two mature somatic cells functioning as gametangia. • No
gametes are formed in this case. • The resultant fusion cell, which has a diploid ...
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Competition Science Vision
or the zygote enlarges and becomes transformed directly into an ascus. (ii)
Hologamy : Hologamy is a kind of gametangial copulation in which fusion takes
place between two mature somatic cells functioning as gametangia. No gametes
are ...
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Encyclopedia of Parasitology: A-M
Hologamy. From Greek: holos = total, gamein = mating. Total fusion of 2
individuals (e.g., in protozoans). Hologonic. Ovaries. In hologonic ovaries which
are found in trichurid ->nematodes the oogonia cover the entire wall of the ovarial
tube.
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Competition Science Vision
The two nuclei soon unite in the fused region of the protuberance. The fusion cell
with a diploid nucleus or the zygote enlarges and becomes transformed directly
into an ascus. (ii) Hologamy : Hologamy is a kind of gametangial copulation.
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Modern Text Book of Zoology: Invertebrates
Depending upon the degree of differentiation displayed, by the fusing gametes-,
syngamy is of the following types : (a) Hologamy. The two ordinary mature
protozoan individuals do not form gametes but themselves behave as gametes
and ...
Rarely, the two vegetative cells of Chlamydomonas may fuse, the phenomenon is
called hologamy. The resulting diploid cell behaves as zygospore. 3 Fig. 4.
Chlamydomonas : Sexual reproduction. A. Isogamy showing isogametes, B & C.
9.4.2 Hologamy In Schizosaccharomyces octosporous two mature somatic cells
function as gametangib KLfl E ^ " f gametangia conjugation tub* Fig. 9.1 A-F,
Gamctangial copulation; G-J, Hologamy ;X-L,gamctangial contact; M-N,
autogamy.
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The diversity of animal reproduction
Hologamy is widespread and may result in a zygote, which generally divides into
several young. In Trichosphaerium adults produce amoeboid agametes by
multiple fission. These develop a gelatinous test and sporulate into biflagellate ...
Richard E. Blackwelder, Benjamin A. Shepherd, 1981
