The Cytogenetic Analysis of Haploids
作者： Rudi Appels , Rosalind Morris , Bikram S Gill , Cedric E May , Rudi Appels
DOI: 10.1007/978-1-4615-5409-7_12
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摘要: • Some organisms can survive with half the usual somatic chromosome number. • The smaller size of haploids is due to reduction in normal gene dosage cells. • Haploids arise spontaneously from irregularities sexual reproduction and are induced by various methods such as elimination wide crosses or vitro anther culture. • highly sterile because irregular meiotic behavior unpaired chromosomes. • Doubled-haploid plants genetically homozygous provide an important basis for producing new varieties greater efficiency.
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