title: [Karyotypes of mammals and birds. The problem of the microchromosomes. Some remarks about the evolution of chromosomes].
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000502:physiology*; D002869:Chromosome Aberrations; D002875:Chromosomes / Q000648:ultrastructure*; D007621:Karyotyping; D008322:Mammals / Q000502:physiology*; D008938:Mitosis; D051381:Rats
vernacular_title: Caryotypes des mammifères et d'oiseaux. La question des microchromosomes quelques réflexions sur l'évolution chromosomique