Which of the following best describes passive immunity?
a) short-term protection
b) is passed from mother to baby
c) forms in another animal and is introduced into your body
d) all of the above

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

a few examples of ethical concerns involving genetically engineering of humans include

-privacy of genetically tested people

- potential side effects

-long term effects

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: