Chapter 5

Question 1

What is lamarks theory of acquired characteristics.

How does research in the 1980s I’m pact this theory?

Answer 1

• Lamarck: adaptive characteristics during life could be passed in to the next generation
• 1980s: cells can evaluate impact of mutations on next generation

Question 2

Describe the role of messenger RNA

Answer 2

Courier of DNA info to ribosomes to start protein production (DNA replication)

Question 3

What are the major sources of variability in populations

Answer 3

• Genetic recombination

- mutations