3 ms·
> Being a male, I'm troubled by the fitness of the Y-chromosome over the generations. It seems to me that it can only accumulate errors and mutations. In fact,
by sndean 10y ago
> Being a male, I'm troubled by the fitness of the Y-chromosome over the generations. It seems to me that it can only accumulate errors and mutations.
In fact, the Y-chromosome has completely disappeared in some species [0].
[0] https://en.wikipedia.org/wiki/Y_chromosome#Future_evolution https://en.wikipedia.org/wiki/Y_chromosome#Future_evolution
- QML 10y agoIs it me, or does this seem like a biological version of the gamblers ruin problem? http://mathworld.wolfram.com/GamblersRuin.html http://mathworld.wolfram.com/GamblersRuin.html
- yourapostasy 10y agoFascinating, did not know that "loss of Y" was possible in vivo, not just evolutionarily across spans of generations. This led me to finding out that loss of Y is tentatively tied to Alzheimer's, and wondering if chronically low testosterone levels are possibly linked to loss of Y.