Answer:
Polygenic.
Explanation:
A trait that is controlled by more than one gene is called polygenic which translates to "multiple genes".
Be more specific with what you need help with please
Passive Immunity is process of providing IgG antibodies to protect against infection.
It generates antibodies which provides protection against the infection.
This is short lived protection which can last to several months but can provide immediate protection.
Therefore the correct answer is Short term effectiveness immediate onset.
Learn more at brainly.com/question/24377625
Plant lets I think abcdefg
