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Every generation back doubles your ancestors. 33 generations (~1,000 years) gives 8.6 billion places in your family tree, more than everyone alive today... but only ~300 million people lived then. So the same people appear again and again, and a few thousand years back, we all share ancestors.
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Every generation back doubles your ancestors. 33 generations (~1,000 years) gives 8.6 billion places in your family tree, more than everyone alive today... but only ~300 million people lived then. So the same people appear again and again, and a few thousand years back, we all share ancestors.

#genetics#redditgenetics#sources#fenner#hyde

(Sources: Fenner 2005 · HYDE 3.1 · Rohde et al. 2004, Nature) submitted by /u/Tapash__ [link] [comments]

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Can Huntington’s disease MRI and biomarker results eventually predict 20–30 years of neurological protection?

I’m following SKY-0515 and votoplam closely, particularly their potential to slow Huntington’s disease before noticeable symptoms develop. SKY-0515 has reported up to 69% mutant huntingtin lowering in blood, alongside encouraging preliminary clinical…

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Do white Americans/black Americans look different than European/African counterparts?

For context, I'm from Europe but I'd imagine most white Americans would be a mix of several white ethnicities and the same would probably go for black Americans with being a mix of a bunch of different African ethnicities Does this give them a distinct…

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Why is monosomy so rare? Does it mean anything if my miscarriage was a monosomy?

#genetics#redditgenetics#monosomy#rare#mean

I just found out the pregnancy I lost had mosaic (14%) monosomy 21 with complete homozygosity and suspected rescue. Some googling led me to learn that autosomal monosomies cause only 0.6% of miscarriages while autosomal trisomies cause 35%.…

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