Double fertilization requires two sperm cells to fertilise cells in the ovule. A pollen grain sticks to the stigma at the top ... Its function is to ensure fertilization of the ovule and development of fruit containing seeds. It may arise terminally on a ... Berger, F. (January 2008). "Double-fertilization, from myths to reality". Sexual Plant Reproduction. 21 (1): 3-5. doi:10.1007/ ... Apomixis, setting seed without fertilization, is found naturally in about 2.2% of angiosperm genera. Some angiosperms, ...

Chang, M. C. (1959). "Fertilization of Rabbit Ova in vitro". Nature. 184 (4684): 466-67. Bibcode:1959Natur.184..466C. doi: ... grown from ova having undergone in vitro fertilisation and transferred to a surrogate mother. The term pheromone is coined. ...

Edwards, R. G.; Mettler, L.; Walters, D. E. (April 1986). "Identical twins and in vitro fertilization". Journal of In Vitro ... Artificial induction of ovulation and in vitro fertilization-embryo replacement can also give rise to fraternal and identical ... "Outcome in 242 in vitro fertilization-embryo replacement or gamete intrafallopian transfer-induced pregnancies". Fertility and ... Fertilization and Embryo Transfer. 3 (2): 114-117. doi:10.1007/BF01139357. PMID 3701181. S2CID 27421288. Leigh, Gillian (1983 ...

Ovulation Induction and in Vitro Fertilization. Year Book Medical Publishers. p. 113. ISBN 978-0-8151-0871-9. Sweetman, Sean C ...

... which are then discharged through the tube into the ovule for fertilization. In some protists, fertilization also involves ... During fertilization, the sperm provides three essential parts to the oocyte: (1) a signalling or activating factor, which ... Motile sperm cells typically move via flagella and require a water medium in order to swim toward the egg for fertilization. In ... DNA damages present in sperm cells in the period after meiosis but before fertilization may be repaired in the fertilized egg, ...

ISBN 978-81-259-1433-4. Swingle, D.B. (1934). "Fertilization in Ascodesmis nigricans Van Tiegh". American Journal of Botany. 21 ...

A Comparative Overview of Mammalian Fertilization. Springer Science & Business Media. pp. 330-. ISBN 978-1-4757-8982-9. Peter G ...

It is capable of self-fertilization. The green leaves are cordate-shaped and have palmate venation. Leaf edges are serrated- ...

15-. ISBN 978-1-907284-53-3. Bonnie S. Dunbar; M.G. O'Rand (29 June 2013). A Comparative Overview of Mammalian Fertilization. ... Female ejaculation Fertilisation Hematospermia Insemination Sperm donation Spermatorrhea Testicle Waldinger, M.D.; Quinn, P.; ...

Spawning and fertilization both happen externally. Embryos develop into planktotrophic larvae (auricularia), then into ...

For animal in vitro fertilization, caffeine at 5 mM concentration is a strong inducer of sperm capacitation in vitro. Calcium ... For purposes of in vitro fertilization, capacitation occurs by incubating spermatozoa that have either undergone ejaculation or ... 3 (1): 1-7. Okabe M (2013). "The cell biology of mammalian fertilization". Development. 140 (22): 4471-4479. doi:10.1242/dev. ... where fertilization occurs. These media vary between species, but are saline-based and contain energy substrates such as ...

Fertilization is possible only between genotypes; each genotype cannot fertilize itself. This restriction maintains a 1:1 ratio ... Self-compatibility (SC) is the absence of genetic mechanisms which prevent self-fertilization resulting in plants that can ... Self-incompatibility (SI) is a general name for several genetic mechanisms that prevent self-fertilization in sexually ... Pollinator decline, variability in pollinator service, the so-called "automatic advantage" of self-fertilisation, among other ...

Chicago Hewitson, Laura & Schatten, Gerald P. (2003). "The biology of fertilization in humans". In Patrizio, Pasquale; et al. ( ... for the development of the embryo after fertilization. The sperm supplies the centriole that creates the centrosome and ... "A novel atypical sperm centriole is functional during human fertilization". Nature Communications. 9 (1): 2210. Bibcode: ... evolved at least eight times independently during vertebrate evolution and may evolve in the sperm after internal fertilization ...

Fertilization and embryonic development occur internally; this ovoviviparous or live-bearing mode of reproduction results in a ...

During mating, the male inserts the hectocotlyus into the mantle cavity of the female where fertilization takes place. Spawning ...

Inadequate fertilization might favor Fusarium epidemics. Cumin blight (Alternaria) appears in the form of dark brown spots on ...

High fertilization success is achieved because the gametes are released only when water velocities are low. Individuals of F. ... A study on the coast of Maine showed that there was 100% fertilization at both exposed and sheltered sites. Continuously ... E. A. Serrao; G. Pearson; L. Kautsky; S. H. Brawley (1996). "Successful external fertilization in turbulent environments". ...

It is applied after blossom fertilization. Increased amounts can actually have negative effects however, and cause growth ...

... are the only other frog genera that have internal fertilization. Limnonectes larvaepartus also has internal fertilization. The ... Internal fertilization occurs in four bufonid genera. Mertensophryne (some species) Nectophrynoides (presumably all species) ... a new species of fanged frog with internal fertilization and birth of tadpoles". PLOS ONE. 9 (12): e115884. Bibcode:2014PLoSO ...

Centipede grass has low fertilization requirements. J. T. Brosnan and J. Deputy. "Centipedegrass." TM-14. College of Tropical ...

doi:10.1111/j.1095-8339.1866.tb01291.x. "On the self-fertilization of plants". Trans. Linn. Soc. Lond. Series 2. Botany. 1: 317 ...

fertilization The union of male and female gametes during sexual reproduction. fiber 1. A fiber cell. 2. Any flexible, strong, ... after fertilization it develops into a seed). Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z pachycaul with a ... ovule Loosely, the seed before fertilization; a structure in a seed plant within which one or more megaspores are formed ( ... apomixis A type of asexual reproduction whereby viable seeds or spores are produced asexually, without fertilization, such that ...

Fertilization will occur with the aid of water, sperm will be transported from antheridia to archegonia and travel down its ... This is also where fertilization occurs. The male structures are known as antheridia and are protected by modified leaves ... venter to reach the egg, where fertilization will happen. Producing a diploid sporophyte. The sperm is biflagellate, they have ...

Larvae hatch 36 hours after fertilization. They are good swimmers and can eat small ciliates just four days after conception. ...

The fertilization process is entirely external. The male's sperm combines with the female's eggs in the water. Smaller males ...

In vitro fertilization generates multiple embryos. The surplus of embryos is not clinically used or is unsuitable for ... Human embryos reach the blastocyst stage 4-5 days post fertilization, at which time they consist of 50-150 cells. Isolating the ...

Fertilization", U.S. NIH, V.20. Fertilization Archived 19 December 2008 at the Wayback Machine. Ritchison, G. "Avian ... The original form of sex was external fertilization. Internal fertilization, or sex as we know it, evolved later and became ... Animals which live in the water can mate using external fertilization, where the eggs and sperm are released into and combine ... They are specialized for motility, seeking out an egg cell and fusing with it in a process called fertilization. Female gametes ...

Fertilization occurs in the water column. Its breeding season is the summer. During this time, male and female starfish can be ... The starfish engages in external fertilization in which the female releases the eggs and the male releases the sperm. ...

Evidence of higher fertilization frequencies by pollen carrying one allele resulted in differences from expected random mating ... Pfahler, P. L. (1965-09-10). "Fertilization Ability of Maize Pollen Grains. I. Pollen Sources". Genetics. 52 (3): 513-520. ISSN ... Pfahler, P. L. (1967). "Fertilization Ability of Maize Pollen Grains. II. Pollen Genotype, Female Sporophyte and Pollen Storage ... competition is also one of the primary drivers for cryptic self-incompatibility favoring outcrossed pollen for fertilization. ...

ISBN 978-1-64065-234-7. Kabelitz, Norb (2010). ""Cross" fertilization: Third Sunday in Lent". Chesterfield, MO: The Crossings ...