When you expect something, but get something else, you have a reason big enough to ask new questions and start a new investigation.
Example:
If you create a tree by artificially breeding different species, and then plant it with certain expectations in width, size, bark width, leaf shape, etc. and things go differently, a new investigation might begin with a whole new load of questions.
Answer:

Hope it helped,
Happy homewok/ study/ exam!
They came over on an <span>umbilical cord.</span>
The correct answer is fetal Alcohol syndrome.
Fetal Alcohol Syndrome is termed as the worst alcohol spectrum to a maternal.