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?

Posted in Nutrition |

Posted on Sunday, September 27th, 2009 at 10:15 am and is filed under Nutrition. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
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One Response to “What is the source of nutrition for a pollen tube? Is a pollen grain haploid or diploid?”

  1. ChoiBoi says:
    September 27, 2009 at 4:03 pm

    do you go to IA?
    References :

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