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Asexual and Sexual Reproduction
  • 1. Bacteria reproduce asexually by a process called
A) replication
B) meiosis
C) splitting in two
D) binary fission
  • 2. In binary fission how does the DNA of the daughter cells compare to the DNA of the parent cell?
A) It is only half of the amount of DNA found in the parent.
B) It has some similarities and some differences.
C) It is identical.
D) It is a mix of the parent's DNA.
  • 3. How many parents are required for asexual reproduction?
A) four
B) one
C) two
D) six
  • 4. In order to survive and reproduce organisms need to have what type of traits?
A) Traits that make them the smartest.
B) Traits like the parents.
C) Traits that make the the most attractive.
D) Traits favorable for survival.
  • 5. How can asexually reproducing organisms gain some genetic diversity?
A) meiosis
B) mitosis
C) mutations
D) crossing over
  • 6. What process creates gametes for sexual reproduction?
A) meiosis
B) crossing over
C) mitosis
D) independent assortment
  • 7. Why does the process the creates gametes also create genetic diversity?
A) Prophase and anaphase mix up the DNA.
B) Mitosis I and II mix up the DNA.
C) Two parents contribute DNA.
D) Crossing over and independent assortment mix up the DNA from the mother and father.
  • 8. What type of reproduction is more condusive to evolution due to the increased genetic diversity it offers?
A) asexual
B) binary fission
C) sexual
D) budding
  • 9. When is being genetically identical to the parent an advantage for organisms?
A) When many offspring are needed in a short amount of time.
B) When the environment is just like the one the parent lived in successfully.
C) When the enviroment is changing and fast reproduction is needed.
D) When no mates can be found.
  • 10. If organisms cannot adapt to changing environmental conditions, what is likely to happen to the species?
A) They will have to learn to eat different foods.
B) They will have to find new ways to care for the offspring.
C) They will have to learn to attract mates from other areas.
D) They may become extinct.
  • 11. How many parents are required for sexual reproduction?
A) four
B) one
C) six
D) two
  • 12. Which of the following is a disadvantage for sexual reproduction?
A) Offspring can be produced more quickly than by asexual means.
B) The genetic diversity makes organisms respond differently to environmental changes.
C) A lot of time and energy is required for making gametes and finding mates.
D) The offspring are genetically different.
  • 13. If an organism doesn't reproduce its genes are lost from the
A) DNA
B) gene pool
C) asexual reproduction
D) sexaul reproduction
Intereseko beste azterketa batzuk :
Mitosis 2
Evolution introduction microevolution and macroevolution
Patterns of evolution
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