The statement "Functional chromosomes can be created by joining segments of DNA taken from cells of different species" is not correct because, while scientists can manipulate DNA and create recombinant DNA through genetic engineering, functional chromosomes typically need to maintain species-specific chromosomal structures and regulatory elements to ensure proper gene expression and functionality. Current understanding highlights the importance of genomic context, including epigenetic factors, which imply that merely joining DNA segments from different species does not yield stable or functional chromosomes. This concept is significant in the context of genetic engineering and biotechnology, as it underscores the complexities of genomic compatibility and the limitations faced when attempting interspecies genetic combinations.