Acell from a tissue culture has 38 chromosomes. after mitosis and cytokinesis, one daughter cell has 39 chromosomes and other has 37. what might have occurred to cause the abnormal chromosome numbers?

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

where is the scientific experiment?