Anisogamy is a form of sexual reproduction that involves the union or fusion of two gametes that differ in size and/or form. The smaller gamete is male...
37 KB (4,369 words) - 18:13, 10 February 2025
different in size and other aspects (anisogamy). The size difference is greatest in oogamy, a type of anisogamy in which a small, motile gamete combines...
66 KB (7,534 words) - 22:18, 19 January 2025
[citation needed] The evolution of anisogamy led to the evolution of male and female function. Before the evolution of anisogamy, mating types in a species were...
25 KB (2,674 words) - 03:23, 13 February 2025
sexual dimorphism is the size differentiation of sperm and eggs (anisogamy).: 917 Anisogamy and the usually large number of small male gametes relative to...
107 KB (12,548 words) - 22:28, 25 February 2025
of species, the gametes are of different sizes, a condition known as anisogamy or heterogamy that applies to humans and other mammals. The human ovum...
12 KB (1,360 words) - 17:29, 19 November 2024
Oogamy is a form of anisogamy where the gametes differ in both size and form. In oogamy the large female gamete (also known as ovum) is immotile, while...
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paramesonephric duct, a mesonephric duct, and a genital tubercle. The evolution of anisogamy may have contributed to the evolution of simultaneous hermaphroditism...
52 KB (5,148 words) - 22:17, 28 February 2025
larger than the male and has no ability to move. Oogamy is a form of anisogamy. There is an argument that this pattern was driven by the physical constraints...
30 KB (3,423 words) - 22:55, 10 February 2025
both gametes to a zygote in contrast to a later evolutional stage of anisogamy. The term isogamy was first used in the year 1891. Isogamous species often...
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2020-10-05 Kumar R, Meena M, Swapnil P (2019). "Anisogamy". In Vonk J, Shackelford T (eds.). Anisogamy. Encyclopedia of Animal Cognition and Behavior....
34 KB (3,771 words) - 01:49, 18 January 2025
or the environment changes drastically. Both isogamy and anisogamy occur in Protozoa, anisogamy being the more common form of sexual reproduction. Protozoans...
52 KB (5,232 words) - 20:45, 26 February 2025
Monogamy in animals (section Anisogamy)
ascertained, there are several theories as to how monogamy may have evolved. Anisogamy is a form of sexual reproduction which involves the fusion of two unequally-sized...
51 KB (6,297 words) - 13:20, 25 February 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
32 KB (3,659 words) - 21:52, 12 January 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
12 KB (1,370 words) - 03:38, 3 March 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
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biological variable Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Reproductive system Sex organ Mating Meiosis Gametogenesis...
157 KB (14,675 words) - 02:44, 24 February 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
30 KB (3,145 words) - 21:56, 22 December 2024
that selection for numerous sperm has contributed to the evolution of anisogamy with very small sperm (because of the energy trade-off between sperm size...
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recombinational repair of DNA damage. Amphimixis (psychology) Androgenesis Anisogamy Biological reproduction Dioecy Heterosexuality Hermaphroditism Isogamy...
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are behavioral and population genetic. The genetic aspect states that anisogamy arose to maximize contact rate between gametes. The behavioral aspect...
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Pennate diatom (morphological isogamy, physiological anisogamy)...
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(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
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Gonochorism owes its origin to the evolution of anisogamy, but it is unclear if the evolution of anisogamy first led to hermaphroditism or gonochorism.: 213 ...
19 KB (1,695 words) - 19:41, 28 December 2024
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
26 KB (3,240 words) - 16:39, 15 February 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
20 KB (2,294 words) - 18:03, 10 February 2025
(biology) Mating type Sexual reproduction Evolution of sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete...
31 KB (3,693 words) - 04:20, 4 February 2025
or a palmella stage, while its sexual reproduction is through isogamy, anisogamy or oogamy. Most species are obligate phototrophs but C. reinhardtii and...
10 KB (1,054 words) - 08:54, 28 October 2024
their compatibility) arise as a result of anisogamy (gamete dimorphism), or did mating types evolve before anisogamy? Why do most sexual organisms use a binary...
79 KB (9,514 words) - 16:38, 15 February 2025
referred to as parental investment theory. The size differences of gametes (anisogamy) is the fundamental, defining difference between males (small gametes...
163 KB (18,852 words) - 09:09, 22 February 2025
possible in some species, where in others it is absent. The evolution of anisogamy possibly contributed to the evolution of Simultaneous hermaphroditism...
7 KB (623 words) - 18:54, 16 January 2025