<< Chapter < Page | Chapter >> Page > |
Card 8 / 12:
back mutation
when a live virus vaccine reverts back to it disease-causing phenotype
Previous Card | ← Previous Card Button |
Next Card | → Next Card Button |
Flip Card | ↑ / ↓ / Return / Space |
Notification Switch
Would you like to follow the 'Biology 9-11 grades' conversation and receive update notifications?