What we're doing that's different is we've taken a genetic approach to understand fertility.

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If you get infertility, then you know that the molecule is required for fertility, and this is our 'smoking gun.' Basically, we are asking the animal to tell us what it requires for its fertility, and then we try to understand how it works on a molecular level.

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What we learn in studying fertilization is not only important for this event, but also for the functioning of other cells in our bodies and for understanding many of those processes.

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