10 ENGLISH BOOKS RELATING TO «OOGAMY»
Discover the use of
oogamy in the following bibliographical selection. Books relating to
oogamy and brief extracts from same to provide context of its use in English literature.
It is examplified by Chlamydomonas braunii (Fig. 9.19), Sirogonium,
Aphanochaete, Pandorina, etc. Oogamy: In oogamy a "large motionless female
cell or ovum is fertilized by a much smaller active male cell or spermatozoid" (
Fritsch, 1935).
A flagellated male gamete swims to the nonmotile egg cell and fertilization occurs
. This type of heterogamy is termed oogamy. Volvox, a colonial genus, has an
oogamous sexual reproductive life cycle, and also shows cellular specialization.
Research & Education Association Editors, Research and Education Association, 2013
Broadly speaking, there are three general characters derived from modes of
sexual reproduction: oogamy, anisogamy, isogamy (we acknowledge that the
situation is more complex than this simple division). And these characters are
seen to ...
Joseph Seckbach, John Patrick Kociolek, 2011
4
A Textbook Of Botany - Vol 1, 11E
Eudorina shows advanced type of anisogamy and approaches towards oogamy.
The coenobium of Eudorina is commonly dioecious except in E. elegans where it
is monoecious. In Volvox, true oogamy is seen. V. aureus is dioecious and V.
P S Trivedi S N Pandey, P S Trivedi S N Pandey, Pandey, S N & Trivedi, P S, 2009
5
Comprehensive Objective Biology
... D (6) Have sporophyte attached to gametophyte D (c) Lack roots D (d) Lack
vascular tissue. D (CBSE 1994) 39. In chlorophyceae, sexual reproduction
occurs by (a) Isogamy and anisogamy D (b) Isogamy, anisogamy and oogamy , D
(c) ...
6
Master The Nursing School and Allied Health Entrance Exams: ...
... other type of heterogamy involves gametes differing in size and in structure:
this is oogamy. (1) Oogamy is exhibited by humans; the gamete produced by the
male is the spermatozoon; the gamete produced by the female is the ovum, or
egg.
Mattie Moss, Marion F. Gooding, Duana A. Dreyer, 2008
7
An Introduction to Mycology
From Anisogamy to Oogamy In oogamy, the female and male gametes have
become fully differentiated. In the earlier forms, there is a non^motile female
gamete which is fertilized by a motile male gamete or antherozoid. There is only
one ...
R. S. Mehrotra, K. R. Aneja, 1990
8
Text Book Of Botany Diversity Of Microbes And Cryptogams
In Coleochaete the oogamy is still evolved. In these forms highly oogonium has a
pseudoparenchymatous covering, differentiated sex organs are present. Male
whereas in Chara it is surrounded by five tube cells, (antherozoids) and female ...
9
Asian Pacific Phycology in the 21st Century: Prospects and ...
(B) anisogamy (e.g. Cutleria} and (C) oogamy (e.g. Fucus and Pelvetia). In
isogamy and anisogamy. after female gamete settles on substratum and drew the
flagella. male gamete approaches the female gamete as it is attracted by the
sexual ...
10
Introductory Botany: Plants, People, and the Environment, ...
FIGURE 20-10 Green algae. types of sexual reproduction are recognized in
green algae: isogamy, anisogamy, and oogamy (•Figure 20-11). If the two
gametes that fuse are identical in size and appearance, sexual reproduction is
isogamous ...
2 NEWS ITEMS WHICH INCLUDE THE TERM «OOGAMY»
Find out what the national and international press are talking about and how the term
oogamy is used in the context of the following news items.
Females Can Limit Male Trait Complexity
A: Both motile, B: Oogamy, one motile, one not (vast majority of animals), C: Both non-motile. (Source: Wikimedia Commons, user Qef) Figure 2: ... «Science 2.0, Aug 11»
Ancestors of land plants revealed
Dr Becker explained, "It seems that Zygnematales have lost oogamy and their ability to produce sperm and egg cells, and instead, possibly due ... «EurekAlert, Apr 11»
