Published in Scientific Papers. Series A. Agronomy, Vol. LXVI, Issue 2
Written by Aida Patricia SĂRĂCIN, Larisa Marina Elisabeth CHIRIGIU, Ion SĂRĂCIN, Johny NEAMȚU, Ioan Alexandru SĂRĂCIN
The study of the cell and cell division is of great importance, because it makes it possible to identify the genetic material, the mechanism by which genes are transmitted from the mother cell to the daughter cells, from ascendants to descendants, how genetic recombination is carried out and how they are produced mutations at gene level, as well as restructuring at chromosome level. The study of the preparations is carried out in bright light under a microscope. For the study of the chromosomes of the Amaranthus retroflexus species (2n = 34), the fast Feulgen-Rossenbeck staining method was used, which uses a bleached basic fuchsin solution (Schiff's reagent) as a dye.
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