HOME >> BIOLOGY >> NEWS
Chimpanzee subspecies are genetically mixed and more diverse than humans, according to research in 5 November 1999 Science

. Why would one type of DNA paint a picture of strict barriers erected between groups and another reveal a widely intermingling population? According to the scientists, the disagreement could be a matter of timing. Since changes in mitochondrial DNA only have to spread through the maternal side of the genome, it appears to "evolve" more rapidly. Like the difference between an instant Polaroid snapshot and a photograph slowly developing in a darkroom, mitochondrial and nuclear DNA may be suited to capturing evolutionary events--such as the development of discrete subspecies--on different time scales.

In the case of the chimpanzees, "it is likely that the subspecies are old enough for the mitochondrial DNA to have become different between the subspecies, but not old enough for this to have happened to the nuclear genes," said Pbo. Since biologists often single out genetically unique populations like subspecies as a focus of conservation efforts, this distinction could have real-life implications for protecting endangered chimpanzees.

Xq13.3 had yet another surprise up its sleeve when it came to the bond between the chimpanzee and the bonobo. Their evolutionary tree revealed a closer relationship between the two separate species than was inferred from other DNA sequences. In fact, some common chimpanzees were more genetically distant from each other than they were from bonobos, a startling fact given that the two are currently separated at the species level. The results indicate that the chimpanzee and the bonobo may have split off in separate evolutionary directions quite recently.

The researchers believe that this high degree of genetic intermixing among the chimpanzee groups makes it unlikely that any cultural differences between chimpanzee populations are due to genes determining behavior. "Rather, these differences are probably truly the result of cultural evolution, the transmission of learned behaviors from generation to generation," sa
'"/>

Contact: Heather Singmaster
hsingmas@aaas.org
202-326-6414
American Association for the Advancement of Science
3-Nov-1999


Page: 1 2 3 4

Related biology news :

1. Chimpanzees with little or no human contact found in remote African rainforest
2. Chimpanzee stone tool site excavated
3. Chimpanzee virus may be key to better vaccines, study shows
4. Lemur Juliet may be new subspecies; no mate for Romeo
5. First large-scale trial of genetically personalised treatment for breast cancer to start soon
6. Double mastectomies significantly lower risk of breast cancer in women who are genetically at risk
7. Ecosystem consequences of a single, genetically based plant trait
8. Could memory performance and spatial learning be genetically based?
9. Cows resistance to worms is genetically determined
10. UC Riverside to convene conference on genetically modified organisms, Oct. 14-17, 2003
11. UCR geneticist spells out consequences of genetically engineered genes escaping into wild species

Post Your Comments:
(Date:7/31/2015)... , 31 de julho de 2015 ... www.icg-10.org ) será realizada pela BGI de 22-25 de ... . A conferência está celebrando seu 10 ... 2006, a ICG se tornou uma das reuniões mais ... dos encontros científicos mais dinâmicos, entusiastas e prazerosos. ...
(Date:7/31/2015)... 31, 2015 NXT-ID, Inc. (NASDAQ: NXTD ) ... on the growing mobile commerce market and creator of ... provisional patent 62/198989 for ELECTRONIC CRYPTO-CURRENCY MANAGEMENT ... method to advance crypto-currencies such as Bitcoin into the ... uniform way to manage all payments.  ...
(Date:7/27/2015)... 2015   Zynx Health ™, the market ... solutions, today announced that its ZynxCarebook ™ ... Android smartphones and tablets. With this expansion, care ... use ZynxCarebook to securely exchange messages and share ... transitions to other care settings, and improve clinical ...
Breaking Biology News(10 mins):A 10a. Conferência Internacional sobre Genômica (ICG-10) será em outubro 2A 10a. Conferência Internacional sobre Genômica (ICG-10) será em outubro 3NXT-ID Patents Electronic Crypto-Currency Management Technology 2NXT-ID Patents Electronic Crypto-Currency Management Technology 3NXT-ID Patents Electronic Crypto-Currency Management Technology 4Zynx Health Adds Android Device Support to ZynxCarebook Solution 2Zynx Health Adds Android Device Support to ZynxCarebook Solution 3
(Date:8/3/2015)... , August 3, 2015 According ... on 3D Cell Culture: Asia ... Market Research, the global 3D cell culture market was valued at ... expand at a CAGR of 29.1% to account for ... Report with TOC:  http://www.persistencemarketresearch.com/market-research/3d-cell-cultures-market.asp 3D cell ...
(Date:7/31/2015)... , July 31, 2015 China Cord Blood ... China,s leading provider of cord blood collection, ... storage services, today announced that the Company has filed ... Securities and Exchange Commission. The filed Form 20-F includes ... 31, 2015. The Form 20-F can be accessed by ...
(Date:7/30/2015)... USA (PRWEB) , ... July 30, 2015 , ... ... microsystems, has appointed Francois Vieillard as Sales & Marketing Director. , With ... Francois Vieillard will be responsible for reinforcing Tronics’ business development activities worldwide. He ...
(Date:7/30/2015)... 2015   Senomyx , Inc. (NASDAQ: SNMX ... to discover, develop, and commercialize novel flavor ingredients for ... financial results for the second quarter 2015. ... remain on track to achieve our commercial and financial ... of the Company. "Since our last quarterly earnings report, ...
Breaking Biology Technology:Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 2Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 3Global 3D Cell Culture Market Will Reach US$ 2,717.6 Million by 2020: Persistence Market Research 4China Cord Blood Corporation Files Its Annual Report on Form 20-F 2Tronics appoints Francois Vieillard as Sales and Marketing Director 2SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 2SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 3SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 4SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 5SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 6SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 7SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 8SENOMYX ANNOUNCES SECOND QUARTER 2015 FINANCIAL RESULTS 9
Cached News: