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Kelp can reproduce without sex when mates are scarce
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Kelp can reproduce without sex when mates are scarce

So, kelp are more flexible about reproduction than researchers thought: in the lab, both male and female Laminaria pallida produced offspring without fertilization. During this process, gene activity in male kelp shifted to become more like that of females. When kelp had a nearby member of the opposite sex, they favoured sexual reproduction, possibly detecting partners through chemical signals. The findings shed light on how these important seaweeds adapt their reproduction - knowledge that could help efforts to protect them as the climate warms.
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