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What is the source of nutrition for a pollen tube? Is a pollen grain haploid or diploid?

What is the source of nutrition for a pollen tube?
Is a pollen grain haploid or diploid?
Why don’t most plants self pollinate?

do you go to IA?

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This entry was posted on Wednesday, September 30th, 2009 at 10:10 pm and is filed under Nutrition. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

One Response to “What is the source of nutrition for a pollen tube? Is a pollen grain haploid or diploid?”

  1. ChoiBoi says:
    October 1, 2009 at 3:57 am

    do you go to IA?
    References :