True or False

 

Mutation is the ultimate source of genetic variation.

23. Which statement about mutation is FALSE? a. It is an unstoppable phenomenon as long as life exists. b. Mutation rates vary among genes. c. Mutation is directed by organisms and the environment. d. Mutation is the ultimate source of all genetic variation.

Genetics i think the answer is A. please explain your answer!

Which of the following demonstrates the importance of mutation?

1)

A) What is microevolution and how would you contrast microevolution with macroevolution?

B) •What does it mean to say, “individuals are selected, but populations evolve”?

C) •What is the smallest unit of evolution? What is a population? What is the modern synthesis? How has it contributed to our understanding of evolution?

d): Genetic variation makes evolution possible. •Why is genetic variation so important to evolution?

E) Explain how mutations are the ultimate source of new alleles. •How does sexual recombination produce variation?