QUESTION 7 Suppose that 100 pollen grains land on the female carpel of a flower,
ID: 263119 • Letter: Q
Question
QUESTION 7
Suppose that 100 pollen grains land on the female carpel of a flower, and 50 mature seeds are formed in the fruit. What does this indicate about the pollination process and success?
None of these choices is correct.
50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei in those 50 ovules.
50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei in those 50 ovules.
100% success: 100 pollen grains fertilized 50 ovules (each containing one egg and two polar nuclei), with two pollen grains needed for each ovule.
None of these choices is correct.
50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei in those 50 ovules.
50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei in those 50 ovules.
100% success: 100 pollen grains fertilized 50 ovules (each containing one egg and two polar nuclei), with two pollen grains needed for each ovule.
Explanation / Answer
QUESTION 7 Suppose that 100 pollen grains land on the female carpel of a flower,
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