Answer: Polygenic inheritance.
Explanation: Some characteristics are polygenic, meaning that they're controlled by a number of different genes. In polygenic inheritance, traits often form a phenotypic spectrum rather than falling into clear-cut categories.
Answer:
Books are our best friends because they inspire us to do great things in life and overcome our failures.
Explanation:
The author's choice to tell the story from the children's perspectives is effective. The children do not have the same prejudices and concerns that the adults have. As a result, they are open to one another and become friends despite their differences. They provide the reader with unbiased insight into what is happening on the mainland and on Malaga Island.