The changes in the reproductive barrier between hexaploid wheat (Triticum aestivum L.) and rye (Secale cereale L.): different states lead to different fates
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DOI: 10.1007/s00425-017-2694-8
Abstract: AbstractMain conclusionThe changes in the reproductive barrier between hexaploid wheat (Triticum aestivumL.) and rye (Secale cerealeL.) can be induced using in situ embryo rescue of abnormal embryos, yielding stable fertile amphidiploid plants. In intergeneric crosses… read more here.
Keywords: reproductive barrier; wheat triticum; wheat; rye secale ... See more keywords
When acting as a reproductive barrier for sympatric speciation, hybrid sterility can only be primary
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DOI: 10.1093/biolinnean/blz135
Abstract: Animal gametes unite to form a zygote that develops into an adult with gonads that, in turn, produce gametes. Interruption of this germinal cycle by prezygotic or postzygotic reproductive barriers can result in two cycles,… read more here.
Keywords: hybrid sterility; sterility; acting reproductive; barrier ... See more keywords
Chemical signals act as the main reproductive barrier between sister and mimetic Heliconius butterflies
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DOI: 10.1098/rspb.2020.0587
Abstract: Colour pattern is the main trait that drives mate recognition between Heliconius species that are phylogenetically close. However, when this cue is compromised such as in cases of mimetic, sympatric and closely related species, alternative… read more here.
Keywords: reproductive barrier; heliconius; colour pattern; reproductive isolation ... See more keywords