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Human Biology

Punnett Square tests are noted.

You do a Punnett Square on a dihybrid cross and end up with two classes of individuals. Is there a problem? What could be a reason for this? Ideas are explained.

Epinephrine's purpose in vaccination is traced.

Physicians administering live, attenuated mumps and measles vaccine prepared in chick embryos keep epinephrine available. Epinephrine will not treat these viral infections. What is the purpose of keeping this drug on hand?