No, they don't have organs and organ system.
Cells form tissues, Tissues form organs, Organs forms organ system; Unicellular have their own one cell only. So, it can't possible that they have organs or organ system.
Answer:
<em><u>R</u></em><em><u>epetitive DNA sequences "minisatellites." The two major uses for the information provided by DNA-fingerprinting analysis are for personal identification and for the determination of paternity. DNA fingerprinting is based on DNA analyzed from regions in the genome that separate genes called introns.</u></em>
Answer:
Explanation:
robots, are made up of masses of cells working in coordination, can help unlock the mysteries of cellular communication.