Polyploidization is a widespread and important process in the plant evolution and in individual plant development. Polyploids are used in plant breedingprograms for improving different crop varieties. Genome spontaneously becomesautopolyploid via chromosomal nondisjunction in mitosis or meiosis, endoreduplication, cell fusion or inhibition of cytokinesis. Polyploids also occur amongregenerated plants from in vitro culture or during transformation process. Comparative molecular and cytogenetic genome investigations have revealed thatmany plant species recognised as diploids are in fact polyploids. Molecular cytogenetics methods, especially genomic in situ hybridization (GISH), allow for distinguishing ancestral genomes and chromosomal rearrangements appearing inthe course of evolution or/and biotechnological manipulations
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Oct 2, 2020
Sep 19, 2020
|Cytogenetyczne badania struktury genomów poliploidalnych||Oct 2, 2020|
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