Meiosis lab Activity The Fungus Sordaria fimicola has 2 color possibilities: dark or light brown. The fungus creates haploid cells through meiosis (just.

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Presentation transcript:

Meiosis lab Activity The Fungus Sordaria fimicola has 2 color possibilities: dark or light brown. The fungus creates haploid cells through meiosis (just like a human), but when a light colored fungus mates with a dark colored fungus you can see that crossing over took place.

Sordaria fimicola Meiosis Lab Images Gr 10 Biology

How to find gametes that have completed crossing over: look for the following patterns:

Count how many sets of gametes show crossing over of the dark and light colored fungi.

PRACTICE: Highly magnified

FIRST VIEW: 100x

100x

Conclusions: 1.Approximately how often do dark and light fungi cross over?