3 questions
Which of the following statements about mutation is true?
Mutations are not random.
Mutation gives rise to new alleles that may be harmful or beneficial.
Mutations respond to selective measures by producing new forms of genes that are needed at the moment.
All of the above
Which of the following is post-zygotic isolation?
Gametic
Behavioral
Inviability
Geographical
Which of the following is known as the calendar of Earth history?
Geologic Time Scale
Sundial
Time Machine
Fossilization