What is the difference between mitosis and meiosis?

The sea slug that considered to be a photosyntheesizing animal

The human genome consist of about chemical letters

Influenza (the flu) is caused by a virus that attacks the respiratory system. which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus? a the gene that controls the production of stem cells b the gene that controls the production of skin cells c the gene that controls the production of red blood cells d the gene that controls the production of white blood cells