Textbook of Cytogenetics |
Contents
Historical survey | 1 |
The nondividing nucleus | 7 |
Polytene chromosomes | 23 |
Copyright | |
19 other sections not shown
Common terms and phrases
acrocentric allopolyploid alternate disjunction anaphase aneuploid animals apomictic apomixis autosomes bacteria basic number bivalents Bridges Brown cells centric centromere Chapter chiasmata chro chromatids chromo chromosome arms chromosome number condition Crepis cross crossing-over crossover cytogenetics cytological diploid species DNA replication Dobzhansky double Drosophila embryo sac evident evolution example female fertility gametes genera genes genetic genome genophore genus groups haploid hetero heterochromatin heterozygosity heterozygous hexaploid homologous chromosomes hybrids interphase inversions karyotype length lethal long arm loop maize male meiosis metacentric metaphase mitochondria mitosis mitotic monosomic mosomes mutations nonhomologous normal nuclear envelope nucleolus nucleolus organizer nucleus occur Oenothera pachytene parthenogenesis plants ploid pole pollen polyploid polytene produced progeny prophase recombination regions reported result salivary gland segments segregation sex chromosomes sexual short arm somatic pairing spindle Stebbins sterile strands structure supernumeraries synapsis synaptinemal complex syndrome telocentric telophase tetraploid tion translocation triploid trisomic univalents usually