Allopolyploidy yog thaum cov kab mob muaj ob lossis ntau pawg ntawm chromosomes uas yog los ntawm ntau hom. … Piv txwv ntawm allopolyploidy suav nrog allohexaploid Triticum aestivum, allotetraploid Gossypium, thiab mules.
Puas yog ib qho piv txwv ntawm hybridization?
Mule yog ib qho piv txwv ntawm interspecific hybridization; mule yog ib tug xeeb ntxwv ntawm ib tug nees luav thiab ib tug nees nees. … Mule tsis suav tias yog ib hom tsiaj vim hais tias hom tsiaj no hu ua ib pawg ntawm cov kab mob uas muaj peev xwm hloov cov noob los yog sib cuam tshuam thiab tsim cov xeeb ntxwv zoo lossis muaj txiaj ntsig.
Cov piv txwv ntawm Allopolyploids yog dab tsi?
Lub xovtooj lossis cov kabmob hauv lub xeev allopolyploidy raug hu ua allopolyploid. Nplej yog ib qho piv txwv ntawm ib qho allopolyploid nrog rau 6 chromosome. Piv txwv li, ib tug ntoo khaub lig ntawm tetraploid nplej Triticum (AAAA) thiab rye Secale (BB) yuav tsim ib tug hybrid progeny nrog ib tug chromosomal muaj pes tsawg leeg ntawm AAB.
Yog mules aneuploidy?
Mule: A sterile hybrid between a horse and a luav. Lub mule yog ib tug hybrid ntawm ib tug poj niam nees los yog mare (2n=64) thiab ib tug txiv neej luav los yog jackass (2n=62). Txij li thaum tus mare contributes 32 chromosomes nyob rau hauv nws lub qe thiab lub jackass pab 31 chromosomes nyob rau hauv nws cov phev, lub mule muaj ib tug diploid tooj ntawm 63.
Puas yog mules polyploidy?
Polyploidy yog feem ntau tsawg hauv cov tsiaj nyeg tej zaum vim tias kev sib deev chromosomes thiab imprinting noob hauv cov tsiaj txhu yogrhiab heev rau kev cai noj tshuaj. … Polyploids muaj nyob rau hauv kab, ntses thiab amphibians, thiab hybrids xws li mule kuj tshwm sim nyob rau hauv cov tsiaj.
