Herding Hemingway's Cats

Herding Hemingway's Cats

Understanding How Our Genes Work

Book - 2016
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The language of genes has become common parlance. We know they make your eyes blue, your hair curly or your nose straight. The media tells us that our genes control the risk of cancer, heart disease, alcoholism or Alzheimer's. The cost of DNA sequencing has plummeted from billions of pounds to a few hundred, and gene-based advances in medicine hold huge promise.
So we've all heard of genes, but how do they actually work?
According to legend, Ernest Hemingway was once given a six-toed cat by an old sea captain, and her distinctive descendants still roam the writer's Florida estate today. Scientists now know that the fault driving this profusion of digits lies in a tiny genetic control switch, miles away (in molecular terms) from the gene that 'makes' toes. And it's the same mistake that gives rise to multi-toed humans too.
There are 2.2 metres of DNA inside every one of your cells, encoding roughly 20,000 genes. These are the 'recipes' that tell our cells how to make the building blocks of life, along with myriad control switches ensuring they're turned on and off at the right time and in the right place. But rather than a static string of genetic code, this is a dynamic, writhing biological library. And figuring out how it all works - how your genes make you, you - is a major challenge for researchers around the world.
Drawing on stories ranging from six-toed cats and stickleback hips to wobbly worms and zombie genes, geneticist Kat Arney explores the how our genes work, creating a companion reader to the book of life itself.
Publisher: London : Bloomsbury Sigma, 2016
ISBN: 9781472910059
1472910052
9781472910042
1472910044
Characteristics: 288 pages ; 22 cm

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pm221
May 26, 2018

A superb insight into the functions of so called junk DNA.

l
Logovore
Aug 13, 2016

An interesting overview of current themes and research into DNA and the genome. The central thesis is that what you learned in biology is not how DNA/RNA works, but it seems like no one is quite sure--or more accurately, agrees--on how it does work. Well-written and interesting for the view it gives on the researchers as much as for it gives on the research.

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