Main Idea Details
Reproduction in Plants 243
Life Cycle
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Summarize the development of the female gametophyte by
completing the flowchart below.
ovule
undergoes
three times, producing
haploid
.
of
the nuclei
develop cell
walls.
One of the
six becomes
the
cell.
The two remaining nuclei
become the
of the
gametophyte.
One haploid nucleus Other haploid nucleus
Compare how the two haploid nuclei are involved in fertilization.
Section 23.3 Flowering Plants (continued)
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Tube Nucleus Generative Nucleus