Fern Life Cycle

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the cell. We then put
up our dishes for another week.
The third week of our fern lab we identified the difference between male
and female gametophytes. We did this by taking a culture from our petri dish and
placing it under a dissecting microscope. Due to the male and female being both
located on the same prothallus it was necessary to obtain the exact location of
the antherium and the archegonium from the lab book or the instructor. Once this
was done it was fairly easy to tell the difference between the male gametophyte
or (antheridium) and female gametophyte (archegonium) on the prothallus. The
antheridium was located around the perimeter of the prothallus, near the
rhizoids. The antheridium was located near the growing notch on the under side
of the prothallus. To me the growing notch seem to like red dots set up like
bowling pins. We also observed sperm swimming around the archegonium. We then
put our fern lab petri dishes back under the light until next week.
By the ...

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