Option A is the incorrect statement: While synthetic biology has enabled the creation of synthetic genomes (such as the synthetic bacterium Mycoplasma mycoides), creating a fully functional chromosome by joining DNA segments from different species is not currently feasible. Chromosomes are highly complex structures requiring specific regulatory elements and structural proteins that are often species-specific.

Option B is a correct statement: Synthetic biology and genetic engineering allow for the chemical synthesis of artificial DNA sequences with specific functions in a laboratory.

Option C is a correct statement: Polymerase Chain Reaction (PCR) is a standard laboratory technique used to replicate or amplify specific DNA segments outside of a living cell (in vitro).

Option D is a correct statement: Cell culture and tissue culture techniques allow cells extracted from plants and animals to be grown and undergo cell division in laboratory petri dishes using artificial nutrient media.