Add this copy of Digit Ratio: a Pointer to Fertility, Behavior, and to cart. $9.78, fair condition, Sold by ThriftBooks-Atlanta rated 4.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 2002 by Rutgers University Press.
Add this copy of Digit Ratio: a Pointer to Fertility, Behavior, and to cart. $9.80, good condition, Sold by HPB-Red rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2002 by Rutgers University Press.
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Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority!
Add this copy of Digit Ratio: a Pointer to Fertility, Behavior, and to cart. $67.67, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 2002 by Rutgers University Press.
Add this copy of Digit Ratio: a Pointer to Fertility, Behavior and to cart. $90.89, good condition, Sold by Anybook rated 5.0 out of 5 stars, ships from Lincoln, UNITED KINGDOM, published 2002 by Rutgers University Press.
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This is an ex-library book and may have the usual library/used-book markings inside. This book has soft covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item, 400grams, ISBN: 9780813530307.
Add this copy of Digit Ratio: a Pointer to Fertility, Behavior, and to cart. $104.66, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 2002 by Rutgers University Press.
Add this copy of Digit Ratio: a Pointer to Fertility, Behavior, and to cart. $1,976.00, new condition, Sold by BWS Bks rated 5.0 out of 5 stars, ships from Ferndale, NY, UNITED STATES, published 2002 by Rutgers Univ Pr.
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New. 081353030X. *** FREE UPGRADE to Courier/Priority Shipping Upon Request ***-*** IN STOCK AND IMMEDIATELY AVAILABLE FOR SHIPMENT-BRAND NEW, FLAWLESS COPY, NEVER OPENED--174 pages. "Could the length of your fingers indicate a predisposition to breast cancer? Or musical genius? Or homosexuality? In Digit Ratio, John T. Manning posits that relative lengths of the second and fourth digits in humans (2D: 4D ratio) does provide such a window into hormone-and sex-related traits. It has been known for more than a century that men and women tend to differ in the relative lengths of their index (2D) and ring (4D) fingers, which upon casual observation seem fairly symmetrical. Men on average have fourth digits longer than their second digits, while women typically have the opposite. Digit ratios are unique in that they are fixed before birth, while other sexually dimorphic variables are fixed after puberty, and the same genes that control for finger length also control the development of the sex organs. The 2D: 4D ratio is the only prenatal sexually dimorphic trait that measurably explains conditions linking testosterone, estrogen, and human development; the study of the ratio broadens our view of human ability, talent, behavior, disposition, health, and fertility. In this book, Manning presents evidence for how 2D: 4D correlates with traits ranging from sperm counts, family size, musical genius, and sporting prowess, to autism, depression, homosexuality, heart attacks, and breast cancer, traits that are all linked with early exposure to sex hormones."--with a bonus offer--
