Week 03: Why are sperm so small? Or, how did anisogamy evolve?

During the first week of this course, I jumped at the chance to lead a discussion on the evolution of anisogamy. I wanted to share research I first encountered at a conference in August -- results from a lab that works in algae systems which have natural variation not only in sex determination mechanisms and … Continue reading Week 03: Why are sperm so small? Or, how did anisogamy evolve?

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Week 02: Sexual vs. Asexual Reproduction

Discussion Overview: This week’s meeting focused on asexuality. Last week we defined asexuality, for the purposes of this seminar, as reproduction by an all-female (single sex) species that does not require fertilization by sperm. This week, we delved into the life cycles of several organisms that rely on asexuality for some or all of their … Continue reading Week 02: Sexual vs. Asexual Reproduction