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Evidence of genomic exchanges between homeologous chromosomes in a cross of peanut with newly synthetized allotetraploid hybrids

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Nguepjop J.R., Tossim H.A., Bell J.M., Rami J.F., Sharma S., Courtois B., Mallikarjuna N., Sané D., Foncéka D.
2016

Cultivated peanut and synthetics are allotetraploids (2n = 4x = 40) with two homeologous sets of chromosomes. Meiosis in allotetraploid peanut is generally thought to show diploid-like behavior. However, a recent study pointed out the occurrence of recombination between homeologous chromosomes, especially when synthetic allotetraploids are used, challenging the view of disomic inheritance in ...

Génétique et amélioration des plantes

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