031009obesitydiabetes

031009obesitydiabetes - Homework due 3/10/09 Name _ Lazar,...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Lazar, M. A. (2005) How obesity causes diabetes: Not a tall tale. Science 307, 373-375. 1. Distinguish between type 1 and type 2 diabetes (try Wikipedia: http://en.wikipedia.org/wiki/Main_Page for more complete explanations). Which is most commonly linked to obesity and is dramatically increasing in incidence in the modern world? 2. What percentage of people will develop type 2 diabetes during their lifetime if solutions to this disorder are not found? 3. Explain the “thrifty gene” hypothesis. Why were thrifty genes adaptive in human hunter/gatherer societies, but maladaptive (i.e. contribute to type 2 diabetes) in the modern world? 4. What does this author suggest is the best candidate is for a thrifty gene? Where in the body is the product for the gene expressed? What does the protein product of this gene do? 5. How would natural selection have favored the leptin gene? In other words what reproductive benefit could this gene confer on its possessors. (All genes selected
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/03/2009 for the course BIOS 277 taught by Professor Nyby during the Spring '09 term at Lehigh University .

Page1 / 2

031009obesitydiabetes - Homework due 3/10/09 Name _ Lazar,...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online