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Sexual reproduction form involving gametes of the same size
Isogamy is a form of sexual reproduction that involves gametes of the same morphology (indistinguishable in shape and size), and is found in most unicellular
Isogamy
Trait that determines an organism's sexually reproductive function
haploid organism. In either case, the gametes may be externally similar (isogamy) as in the green alga Ulva, or may be different in size and other aspects
Biological_sex
Haploid sex cell
individuals can also be the same size and shape, a condition known as isogamy. Oogenesis, the process of female gamete formation in animals, involves
Gamete
Sex of an organism that produces ovums
anisogamous reproduction system, wherein gametes are of different sizes (unlike isogamy where they are the same size). In species that have males and females,
Female
Sexual reproduction involving a large, female gamete and a small, male gamete
difference between females and males. Anisogamy most likely evolved from isogamy. Since the biological definition of male and female is based on gamete
Anisogamy
Sex of an organism which produces sperm
often fail to account for why isogamy remains in a few species. Anisogamy appears to have evolved multiple times from isogamy; for example, female Volvocales
Male
Biological process
separable properties and then may be given other different names (see isogamy). Because both gametes look alike, they generally cannot be classified
Reproduction
Form of sexual reproduction
land plants and some algae, are oogamous. It is generally accepted that isogamy is the ancestral state, from which oogamy evolved at least twenty times
Oogamy
Sex-specific adaptations
2012). "Evolutionary trajectories explain the diversified evolution of isogamy and anisogamy in marine green algae". Proceedings of the National Academy
Sexual_dimorphism
Form of human sexual intercourse
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Penile–vaginal_intercourse
Organism that produces both male and female gametes
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Hermaphrodite
Body posture in mammals for sexual receptivity
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Lordosis_behavior
Method of determining sex
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
XY_sex-determination_system
Atypical congenital variations of sex characteristics
variable Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Reproductive system Sex organ Mating Meiosis Gametogenesis Spermatogenesis
Intersex
Male reproductive cell
accepted that isogamy is the ancestor to sperm and eggs. Because there are no fossil records of the evolution of sperm and eggs from isogamy, there is a
Sperm
Biological process
Anisogamy Biological reproduction Dioecy Heterosexuality Hermaphroditism Isogamy Mate choice Mating in fungi Operational sex ratio Outcrossing Allogamy
Sexual_reproduction
Animal sexual reproductive act in which a male introduces sperm into the female's body
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Copulation_(zoology)
Production of new offspring in plants
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Plant_reproduction
Biological development of male sex characteristics
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Virilization
Sex change as part of the normal life cycle of a species
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Sequential_hermaphroditism
Multicellular sex organs in plant life
conifers and flowering plants, they are replaced by pollen grains. In isogamy, the gametes look alike and cannot be classified into "male" or "female
Gametangium
Chromosomal system
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
ZW_sex-determination_system
Union of an egg and sperm to form a zygote within the female body
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Internal_fertilization
Procreative biological processes of humanity
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Human_reproduction
Branch of biology concerned with the study of algae
Siboga-expedition. As early as 1803 Jean Pierre Étienne Vaucher had published on the isogamy (sexual conjugation) in the algae, but it was in the early 20th century
Phycology
Gamete-producing cell
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Germ_cell
Single-celled organisms
occurs when food is scarce or the environment changes drastically. Both isogamy and anisogamy occur in Protozoa, anisogamy being the more common form of
Protozoa
Single-celled alga with a silica cell wall
Pennate diatom (morphological isogamy, physiological anisogamy)
Diatom
Topics referred to by the same term
characteristic functions and statistical mechanics Sexual conjugation, a type of isogamy in unicellular eukaryotes Bacterial conjugation, a mechanism of exchange
Conjugation
Genus of algae
hypnospores, or a palmella stage, while its sexual reproduction is through isogamy, anisogamy or oogamy. Most species are obligate phototrophs but C. reinhardtii
Chlamydomonas
Chromosome that differs from an ordinary autosome in form, size, and behavior
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Sex_chromosome
Order of green algae
vegetative and posterior reproductive cells. Sexual reproduction varies from isogamy (both genders produce flagellated gametes of equal size) to oogamy (one
Chlamydomonadales
Biological system where sex is determined by the number of sets of chromosomes
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Haplodiploidy
Biological system that determines the sex of offspring
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
XO_sex-determination_system
Type of hermaphroditism
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Simultaneous_hermaphroditism
Development of female characteristics
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Feminization_(biology)
Sex characteristics between male and female
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Intersex_(biology)
Paraphyletic group of eukaryotes
gametophyte and sporophyte. Reproduction varies from fusion of identical cells (isogamy) to fertilization of a large non-motile cell by a smaller motile one (oogamy)
Green_algae
Reproductive cycle of plants and algae
'alternation of phases'. Differentiation of the gametes. Both gametes the same (isogamy). Like other species of Cladophora, C. callicoma has flagellated gametes
Alternation_of_generations
Natural history of mating systems in which species pair bond to raise offspring
rate, and largely immobile. Anisogamy is thought to have evolved from isogamy, the fusion of similar gametes, multiple times in many different species
Monogamy_in_animals
morphology, size and other properties, most forms of gametogamy are as follows: Isogamy (Ancient Greek ισο - iso= "equal + γάμος gámos = "marriage") – in cell
Gametogamy
Biological system in certain moths
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
ZO_sex-determination_system
Biomechanics of human sexual intercourse
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Mechanics_of_human_sexuality
Environmental sex determination by temperature during development
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Temperature-dependent sex determination
Temperature-dependent_sex_determination
Phylum of green algae
arabinogalactan proteins, and extensin. They exhibit a haplontic life cycle with isogamy, anisogamy or oogamy. They are capable of asexual reproduction through
Chlorophyta
Biological process
Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon
Gametogenesis
Family of algae
in the old lorica, or the two halves separating. Sexual reproduction is isogamy or anisogamous. Resting stages have been observed rarely. Phacotaceae as
Phacotaceae
branches, tubers, and budding. Sexual methods of algal reproduction include isogamy, anisogamy, oogamy, autogamy, and hologamy. Autospores are one of three
Autospore
Genus of green algae
Sexual life cycle in Pediastrum, the cell forms two bi-flagellate gametes (isogamy), these then fuse into a zygote and develop further through the asexual
Pediastrum
German botanist
relationships between organisms, such as in identifying the parallel transition of isogamy to anisogamy. Zimmermann contributed insight into the evolution of the
Walter_Max_Zimmermann
Phylum of algae
capable of sexual reproduction through gametes, by three different modes: isogamy, anisogamy or oogamy. Ochrophytes are present in nearly all environments
Ochrophyte
List of terms related to protist research
where the gametes have different sizes and/or morphologies. Contrast: isogamy. anterior In single-celled organisms, refers to the region of the cell
Glossary_of_protistology
Family of algae
of genera. Sexual reproduction occurs in this family, and ranges from isogamy to anisogamy to oogamy. Some species are homothallic, while others are
Chlamydomonadaceae
variable Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Reproductive system Sex organ Mating Meiosis Gametogenesis Spermatogenesis
Sex_verification_in_sports
Study of microorganisms in soil
the "germinal" micronucleus and the "somatic" macronucleus. Conjugation (isogamy) between two ciliate cells is a primitive form of sexual reproduction involving
Soil_microbiology
Class of algae
reproduction is rare in the class, with reports from only a few taxa; isogamy, anisogamy and oogamy have all been reported. However, many more taxa possess
Trebouxiophyceae
Genus of brown algae
bodies but only differ in chromosome number and strategy] life cycle with isogamy (i.e., gametes with the same size and form) or anisogamy (i.e., gametes
Sphacelaria
Topics referred to by the same term
culturally important way, similar to each other Cleistogamy Endogamy Heterogamy Isogamy Self-fertilization Self-pollination This disambiguation page lists articles
Homogamy
Factor in sperm competition
one sex in a sexually reproducing species with equally sized gametes (isogamy), selection towards smaller gametes is likely to be successful. This cannot
Sperm_precedence
Genus of single-celled organisms
gut or extraluminally. The gametes are spherical and of similar size (isogamy) and bud from the surface of the gamont. The oocysts are of the actinocephalid
Menzbieria
Genus of single-celled organisms
occurs at the anterior end of the gamonts. The gametes are similar in size (isogamy). The spores are fusiform (lemon shaped). Reichenow E (1935) Machadoella
Machadoella
ISOGAMY
ISOGAMY
ISOGAMY
ISOGAMY
Boy/Male
Indian
Graceful, Good looking
Boy/Male
Tamil
Yudhisthir | யà¯à®¤à®¿à®¸à®Ÿà®¿à®°
Eldest Pandavas brother, Firm in battle
Surname or Lastname
English
English : habitational name from Froggatt in Derbyshire.
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil, Telugu
Lord Vishnu / Krishna
Surname or Lastname
English
English : from the Norman personal name Rainer, composed of the Germanic elements ragin ‘counsel’ + hari, heri ‘army’Jewish (Ashkenazic) : ornamental name from an inflected form of German rein or central Yiddish rayn ‘pure’.Probably also an altered spelling of German Reiner.
Girl/Female
Hindu, Indian, Tamil
Courages; Victory
Male
Finnish
Finnish form of Greek Gregorios, REIJO means "watchful; vigilant."
Female
Italian
 Pet form of Italian Benedetta, BETTINA means "blessed." Compare with another form of Bettina.
Boy/Male
Tamil
Visionary, Having the faculty of seeing
Girl/Female
British, English
Noble Maiden
ISOGAMY
ISOGAMY
ISOGAMY
ISOGAMY
ISOGAMY