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Question 1

__ is exchange of alleys between populations

Answer 1

genetic drift

Question 2

____ is purposeful selection of mates based on presence or absence of certain traits

a. mutation
b. gene flow
c. non random mating
d. genetic drift
e. natural selection

Answer 2

c. non random mating

Question 3

____ is sudden change and permanent change of genetic material

Answer 3

mutation

Question 4

__ results in loss of genetic variation

Answer 4

genetic drift

Question 5

some factors in environment select certain form of a species to survive and reproduce. this evolutionary change agent is

Answer 5

natural selection

Question 6

which of the following is ONLY evolutionary change agent that can create new phenotype

Answer 6

mutation

Question 7

in the 19th century most of peppered moths in england were white. about 100 years later, 98% of moths recorded in industrial areas were black while most in rural areas were still white this is example of

Answer 7

natural selection

Question 8

plasmid

Answer 8

small rings of DNA usually contain gene

Question 9

circular DNA

Answer 9

genetic material are stored in circular chromosome