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Updated: Mar 30, 2026

Agrobacterium-Mediated Virus-Induced Gene Silencing Assay In Cotton
Published on: August 20, 2011
Natural hybridization between Gossypium mustelinum and exotic allotetraploid cotton species
I P P de Menezes1, J O da Silva1, G Malafaia1
1Laboratório de Genética Molecular, Instituto Federal Goiano, Urutaí, GO, Brasil.
Abstract:
Cotton has been collected in Brazil for decades for its conservation, evaluation, and the use of its genetic resources. Gossypium mustelinum is an allotetraploid cotton species that only occurs in Brazil, and little is known about its genetic potential for improvement. However, the species is threatened by habitat fragmentation and interspecific hybridization with exotic species of cotton. In this study, we investigated the rate of natural hybridization in two populations of G. mustelinum in Bahia, Brazil, with G. hirsutum and G. barbadense using a set of microsatellite markers.
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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
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