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- 10. Consider the seedlings that were kept in darkened dishes.
- a) How do the percentages of albino and green seedlings compare with the percentages of albino and green seedlings that were continuously exposed to light?
- b) What is the environmental factor that is varied in this activity?
- c) Is this difference in percentages of seedlings kept in the light and seedlings kept in the dark due to inherited or environmental factors?
- d) What do you think is causing the differences in the appearance of the seedlings that were in darkened dishes?
- 11. Consider the seedlings that were first in darkened dishes and then exposed to light.
- a) How do the percentages of green and albino seedlings compare with the percentages of green and albino seedlings in the other situations?
- b) What happened to the appearance of many of the seedlings after the cover was removed?
- c) Does this support your answer to Step 10 (d)?
- d) What are the effects of light upon seedlings that carry a certain hereditary characteristic?
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