polyembryony: difference between revisions
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#* {{quote-book|year=2005 |title=Human Malformations and Related Anomalies |author=Roger E. Stevenson & Judith G. Hall |page=1381 |ISBN=019974808X |passage=Despite their utility in research, litters produced by '''polyembryony''' lack the advantages conferred by either asexual or sexual reproduction. }} |
#* {{quote-book|year=2005 |title=Human Malformations and Related Anomalies |author=Roger E. Stevenson & Judith G. Hall |page=1381 |ISBN=019974808X |passage=Despite their utility in research, litters produced by '''polyembryony''' lack the advantages conferred by either asexual or sexual reproduction. }} |
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#* {{quote-book|year=2014 |title=Genetics in the Wild|author=John C. Avise |page= |ISBN=1588344290 |passage=One form of clonal reproduction begins when a fertilized egg divides a few times in the womb before initiating embryonic development. In humans, this can lead nine months later to the birth of identical (monozygotic) twins. This phenomenon, known as '''polyembryony''', occurs sporadically in many mammal species. However, only in armadillos does '''polyembryony''' happen consistently, in each and every pregnancy. }} |
#* {{quote-book|year=2014 |title=Genetics in the Wild|author=John C. Avise |page= |ISBN=1588344290 |passage=One form of clonal reproduction begins when a fertilized egg divides a few times in the womb before initiating embryonic development. In humans, this can lead nine months later to the birth of identical (monozygotic) twins. This phenomenon, known as '''polyembryony''', occurs sporadically in many mammal species. However, only in armadillos does '''polyembryony''' happen consistently, in each and every pregnancy. }} |
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====Translations==== |
====Translations==== |
Revision as of 20:44, 30 September 2017
English
Noun
polyembryony (uncountable)
- (botany) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.
- (biology) The production of two or more embryos from a single fertilized egg.
Translations
Translations
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References
- “polyembryony”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.