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Biology, 01.01.2020 05:31 marygatewell385

In angiosperms, pollen grains are

diploid, and are made when haploid gametes join in fertilization.
diploid, and are made when haploid gametophytes join in pollination. **i think
haploid, and are made when haploid spores undergo mitosis.
haploid, and are made when haploid ovules undergo meiosis.

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In angiosperms, pollen grains are

diploid, and are made when haploid gametes join in fe...
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