Chapter 3: Evolutionary Genetics

Briefly answer the following questions.

1.			Describe how a base (A, T, C, G) is like a letter, a codon is like a word, and a gene is like a sentence.
2.			Explain how independent assortment, crossing over, and recombination account for much of the variation within a species.
3.			Explain the difference between a phenotype and a genotype.