a sperm cell frozen into ice cube

bank biology biotech biotechnological biotechnologies biotechnology cell clone cloning cryogen cryogenic cryogenics cryonic cryopreservation cryopreserved cube dna fertile fertilization freeze frozen gene genetic human ice infertility insemination laboratory male medical medicine micro microscopic preservation procreation rendering reproduce reproduction reproductive research science scientific sperm spermatozoa spermatozoon stem storage technologies technology