What are chromosomes?

Some articles on chromosomes:

Use of Mitotic Inhibitors in Cytogenetics
... the study of chromosomal material by analysis of G-Banded chromosomes, uses mitotic inhibitors extensively ... This stops the cells during mitosis, while the chromosomes are still visible ... and placed in a hypotonic solution, they swell, spreading the chromosomes ...
SMC1A - Function
... Proper cohesion of sister chromatids is a prerequisite for the correct segregation of chromosomes during cell division ... This complex is composed partly of two structural maintenance of chromosomes (SMC) proteins, SMC3 and either SMC1L2 or the protein encoded by this gene ... Most of the cohesin complexes dissociate from the chromosomes before mitosis, although those complexes at the kinetochore remain ...
Canid Hybrids - Genetic Considerations
... When the differences in number and arrangement of chromosomes is too great, hybridization becomes less and less likely ... recently, around three to four million years ago, and all have 78 chromosomes arranged in 39 pairs ... The side-striped jackal and black-backed jackal both have 74 chromosomes ...
Asplenium Majoricum
... This allotetraploid hybrid (2n = 144 chromosomes) is the result of crossbreeding between the diploid ferns Asplenium fontanum subsp ... fontanum (2n = 72 chromosomes) and Asplenium petrarchae subsp ... bivalens (2n = 72 chromosomes), followed by the spontaneous doubling of the number of chromosomes ...
Meiome - Phases - Meiosis I - Metaphase I
... centrioles attach to their respective kinetochores, the homologous chromosomes align along an equatorial plane that bisects the spindle, due to continuous counterbalancing forces exerted on the bivalents ... The physical basis of the independent assortment of chromosomes is the random orientation of each bivalent along the metaphase plate, with respect to the orientation of the other bivalents along the same ...