Author Archives: cooplab

Genomic variation in sharing between siblings

Siblings of the same sex resemble each other to varying degrees. For most traits this is mostly due to differences in the environment between them, and its effects on their development. However, siblings also subtly differ in their genomic similarity, … Continue reading

Posted in genetic genealogy | 3 Comments

A fond farewell to Yaniv!

The awesome Yaniv Brandvain has flown the Coop lab, and starts his evolutionary plant genomics lab at the University of Minnesota today. It’s been wonderful having Yaniv as a member of the Coop lab. Yaniv brought a wonderful sense of … Continue reading

Posted in cooplab, photos | 1 Comment

GC Williams and Socrates

Thought I’d pull this passage out of GC Williams’s “Adaptation and Natural selection“. I was looking for it the other day, as I’m considering using it in my Evolution class, and couldn’t find it easily via google. “Natural selection of … Continue reading

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Coop lab hiring postdocs

The Coop lab at UC Davis (www.gcbias.org) is seeking candidates for two postdoctoral positions. These two positions will broadly focus on: 1) The evolutionary causes and consequences of recombination variation in humans. 2) understanding polygenic selection and soft sweeps. Successful … Continue reading

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Popgen cookies

My wonderful population genetics graduate student class surprised me with popgen inspired cookies for the last class. There’s species trees, trees, frequency spectra & equations and a whole boatload of popgen fun. Thanks to the class for a great set … Continue reading

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How many genomic blocks do you share with a cousin?

Thanksgiving is over, although you fridge may still be full of leftovers. You probably spent your time wondering exactly what you have in common with your cousin, other than your loathing of brussels sprouts. I’m a British ex-pat so I … Continue reading

Posted in genetic genealogy, popgen teaching | 8 Comments

How many genetic ancestors do I have?

In my last couple of posts I talked about how much of your (autosomal) genome you inherit from a particular ancestor [1,2]. In the chart below I show a family tree radiating out from one individual. Each successive layer out … Continue reading

Posted in genetic genealogy, personal genomics, popgen teaching | 7 Comments

How much of your genome do you inherit from a particular ancestor?

How much of your genetic material do you inherit from a particular ancestor? You inherit your mitochondria through your matrilineal lineage (your mum, your mum’s mum, your mum’s mum’s mum and so one) and your Y chromosome from your patrilineal … Continue reading

Posted in genetic genealogy, personal genomics, popgen teaching | 22 Comments

How much of your genome do you inherit from a particular grandparent?

You’ve got two copies of each chromosome, having received one copy of each chromosome from your mother and one chromosome from your father (this is true for your autosomes, but not for your X, Y, and mitochondria). When it comes … Continue reading

Posted in genetic genealogy, personal genomics, popgen teaching | 23 Comments

The blossoming of Capsella rubella.

Yaniv’s Capsella article is the cover image of PLOS genetics Image Credit: Kim Steige Flowers of the selfing plant species, C. rubella. In this issue, Brandvain et al. identify blocks of ancestry inherited from the founders of this recently derived … Continue reading

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