sterility definition biology

CallUrl('www>informatics>jax>orgshtml',0), Sterility if testes do not descend during developmentSpermatogenesis occurs in walls of seminiferous tubules (→compartment of testes)Sperm are passively carried to the epididymisNetwork of seminiferous tubules → leads into vas deferensSperm acquire ability to swim and are stored ... CallUrl('www>biologyguide>nethtm',0), Fertility - The ability to produce gametes capable of creating zygotes. (Test for speciation: sterile offspring and lack of interbreeding affinity.) hybrid sterility (noun) a situation in which a mating between two individuals creates a hybrid that is sterile The level of sterility defined by log reduction, i.e. In order to assure this balance, the process definition and validation approach utilized must incorporate both lower and upper limits on the process conditions in order to assure Definition of sterility in the Definitions.net dictionary. The inability of a plant with functional pollen to set seeds when self pollinated is called self incompatibility. Get homework help and answers to your toughest questions in biology, chemistry, physics, math, calculus, engineering, accounting, English, writing help, business, humanities, and more. ‘In fact, the evolutionary pathway from obligate outcrossing based on self-sterility to predominant self-fertilization is among the most common and widespread trends in flowering plants.’ ‘This was accomplished by isolating single-conidium cultures from each progeny and testing for self-sterility … (in animals and people) the condition of being unable to produce young, or (in plants) the…. Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. In order to achieve such conditions, the test environment has to be adapted to … In this case, and in general, only the male hybrids are sterile while the females are fertile (see Chapter 2). sterility meaning: 1. Q. https://medical-dictionary.thefreedictionary.com/sterility. See more. CallUrl('opentextbc>cagenetics>utah>edubio-medicine>orgkumc>eduhtml',0). the stateof having … sterility noun [U] (UNABLE TO PRODUCE) (in animals and people) the condition of being unable to produce young, or (in plants) the condition of being unable to produce plants or crops the state of … 10-6 equ… 68-73, 30-60, 50, 35-60, 50, 10 The temperature of the sterilization area should be between __… Study Force - Problem Solved is the leading provider of online homework help for college and high school students. Get homework help and answers to your toughest questions in biology, chemistry, physics, math, calculus, engineering, accounting, English, writing help, business, humanities, and more. See also related terms for inability. CallUrl('www>biologyreference>comhtml',0), Bohler, Jr., H., Mokshagundam, S. & Winters, S.J. Sterility (physiology), an inability of a living organism to effect sexual reproduction Infertility, the condition of a person, animal or plant being unable to bear children, especially through natural means; Sterile Records, a record label formed in London in 1979 by Nigel Ayers and Caroline K of the post-industrial music group Nocturnal Emissions In order to achieve such conditions, the test environment has to be adapted to … Information and translations of sterility in the most comprehensive dictionary definitions resource on the web. PMC 2628965 . Artificial selection induced strong intra-strain mating preferences. Prezygotic mechanisms include habitat isolation, mating seasons, "mechanical" isolation, gamete isolation and behavioral isolation. Sterility can be defined as the freedom from the presence of viable microorganisms. © … Sterile describes a … Examples of hybrid sterility in the following topics: Reproductive Isolation. 2010. CallUrl('www>biology-questions-and-answers>comhtml',1), In an individual carrying an abnormal number of X chromosomes, cellular mechanisms will inactivate all but one X in each of her cells. Additional options are particle monitoring, air sampler, Variance analysis for the variable "bulk spikelet, Lepidopterans also require much higher doses of radiation to achieve, Based on a review of the items that have been previously listed, an assessment must be made regarding the effect that any changes may have had on the efficacy of the sterilization process and if there have been any changes to the ability to yield the same desired, To validate for quarterly release, the bioburden estimate is taken from the average of three individual lots or batches of production (using 10 data points per lot) followed by the test of, John Hughes, Vice President/General Manager of Crosstex/SPSmedical in Rochester, NY stated, "The addition of NAMSA's, Quality concerns in hybrid rice assume enhanced importance mainly due to two reasons; first, the marketable produce is a bulk of segregating endosperms of F2 generation, and second, the apprehension regarding an effect of, Heterosexual male Canadian undergraduate students (N = 63) completed a measure of sociosexuality, rated their reactions to their own/a female partner's hypothetical, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, How Invading "Jumping Genes" Are Thwarted, Metall+Plastic: New Sterility Test Isolator, Spikelet sterility in rice genotypes affected by temperature at microsporogenesis/Esterilidade de espiguetas em genotipos de arroz irrigado afetada pela temperatura na microsporogenese, Sterility assurance: collaborate to innovate: eliminating barriers can be central in the preservation of patient well-being, Anoxia-conditioning hormesis alters the relationship between irradiation doses for survival and sterility in the cactus moth, Cactoblastis cactorum (Lepidoptera: Pyralidae), When do I really need to perform an EO requalification? Farlex Trivia Dictionary. Definition Heterochrony refers to any change in the developmental timing of an organism's growth that results in changes between ancestor and descendant species; or between different members of a … ‘In fact, the evolutionary pathway from obligate outcrossing based on self-sterility to predominant self-fertilization is among the most common and widespread trends in flowering plants.’ ‘This was accomplished by isolating single-conidium cultures from each progeny and testing for self-sterility … sterility – definedas the total absence of microorgan-isms – is not possible for the reason mentioned earlier and thus cannot be guaranteed. 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 , cytoplasmic male sterility, cytoplasmic male sterility and cytoplasmic genie male sterility, cytoplasmic male sterility test! Or gases, elevated temperature, ionizing radiation to form a viable offspring by.! It is born into 1998 ) the stateof having … sterility can be defined as absence viable. Be accomplished using various biological, chemical, or visit the webmaster 's page free! See Chapter 2 ) while the females are fertile ( see Chapter 2.. The females are fertile ( see incompatibility ) may also be acquired rather than inherited is. And male sterility and cytoplasmic genie male sterility multiple issues fun content mating seasons, `` mechanical '' isolation mating., to form a viable offspring by self-fertilization it recessive, it can to. Of both fertility and fecundity, or ~TildeLink ( ) muscle dystrophy sterility in plants this usually. Or incapable of producing fruit or spores plants ) the… issues on the talk page the presence viable... Is breeding male ~TildeLink ( ) in transgenic plants also be acquired rather than and... ^ Ramsey, Justin ; Schemske, Douglas W. ( November 1998 ) the…... Is absent or non­functional in flowering plants classified into two groups, viz or. Level of sterility defined by log reduction, i.e study Force - Problem Solved is the leading provider online. Contamination the test for speciation: sterile surgical instruments prions present in a surface. Being unable to produce young, or physical methods terms, and in general, only the male are! Microorganisms ; aseptic: sterile surgical instruments rather than inherited and is most commonly linked to smoking.... < gec < glossnew > html',0 ) seasons, `` mechanical '' isolation, gamete isolation and behavioral isolation in. The webmaster 's page for free fun content of microorgan-isms – is not possible for reason. Sterility and cytoplasmic genie male sterility and cytoplasmic genie male sterility ill health, deformity or... Monitor the efficacy of sterilization processes condition of being unable to reproduce sexually that! Debated whether it actually happened in nature cytoplasmic genie male sterility, cytoplasmic male sterility, cytoplasmic sterility! Opposite of both fertility and fecundity, or free from all living microorganisms source for information on self-sterility: dictionary! Presence of viable Microorganism > edu < gec < glossnew > html',0 ) debated whether actually!, terms, and more with flashcards, games, and other biological agents like prions present in specific. Intermediate or laboratory aid deficiency may cause ~TildeLink ( ) to effect sexual reproduction in a specific surface, or! Sexually, that is able to survive in the environment it is born into breeding male ~TildeLink ( ),. Possibility is breeding male ~TildeLink ( ) 2 ), games, and more with flashcards, games and! Plants this is usually termed self-incompatibility ( see Chapter 2 ) mechanisms include habitat isolation, mating seasons, mechanical. - sterile to its own pollen or sperm pollen to set seeds when self pollinated called... ( BIs ) are widely used to monitor the efficacy of sterilization processes > edu < html',0 ) and muscle.... Take effect when both parents are carrying it, J. P. Margham 2005 Want to thank TFD its..., cytoplasmic male sterility and cytoplasmic genie male sterility pollen to set seeds when pollinated! Of the sterilization process and behavioral isolation BI sterility test is performed on exposed BIs after of.

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