Animal Cytogenetics: AnnelidaBernard John Gebrüder Borntraeger, 1980 - Animal genetics |
Common terms and phrases
achiasmatic bivalents alleles ameiotic parthenogenesis anaphase annelids approx asexual fission autoploids biotype bivalents centromere chiasmata Christensen 1961 chromo chromosome set Cytogenetics cytology cytotypes daughter nuclei diploid diploid form diploids and triploids distribution earthworms eggs Enchytraeus lacteus equational division families female pronucleus forms of Lumbricillus Fridericia genera genetic genotypes genus haploid haploid numbers heterozygosity high number homologues Insecta karyotype known large chromosomes large metacentric latter Lumbricidae Lumbricillus lineatus Lumbriculus variegatus majority mechanism meiosis meiotic division meiotic parthenogenesis Mesenchytraeus meta metaphase metaphase plate mitosis mitotic metaphase monospermathecus morphologically Muldal multivalents Naididae normal number of bivalents occur oligochaetes Omodeo oocyte oocyte prophase oogenesis pairing parth parthenogenetic parthenogenetic organisms pentaploid forms polar body polychaetes polyploid populations pronucleus prophase pseudofertilization second meiotic sexual reproduction single chiasma small chromosomes Somatic chr somatic chromosome number sperm spermatogenesis spermatozoa Stiff cover DM submetacentric Table telocentric tetra tetraploid transect triploid Tubifex Tubificidae univalents variation Vejdovsky Wendrowsky