These are some ways how scientists and engineers develop, use and refine models.
1. Imagine. They have to know what exactly trying to model. They have to imagine and brainstorm what are the things to be considered.
2. Reason. Next, they need to answer the questions brought from their brainstorming. They need to be able to reason out.
3. Calculate and Predict. Once they know it, that's the time they can start modelling and calculate - and predict.
The answer is Charles Darwin. He was the first to theorize evolution from a common ancestor.
Answer:
Full color is a dominant allele of C
Chinchilla has to have a recessive allel of c^ch
Himalayan must have a recessive of c^h
Albino has a recessive allele of c
Explanation:
