genetic variation

Gene, air pollution together spike autism risk

Genetic factors like copy-number variation -- deletions and duplications of repeated DNA -- also lead to the development of autism. 

Jun 27, 2017, 10:59 AM IST

How genetic variation influences marijuana dependence

Genetic variation may explain why some survivors of childhood adversity go on to become dependent on marijuana, while others are able to use marijuana without problems, suggests new research.

Nov 17, 2015, 18:59 PM IST

Cacao tree will survive climate change, says study

 The main problem faced by the chocolate industry is the lack of genetic variation in cultivated cacao, which makes it vulnerable to pests and blights.

Nov 11, 2015, 16:56 PM IST