CURRENT AFFAIRS

Detailed explanation-1: -In vitro fertilization (IVF) can be achieved in various laboratory animals by co-culturing oocytes and sperm. First, superovulation of female animals are induced by hormonal injections. Then, collected oocytes are fertilized by culturing them with sperm in vitro under appropriate conditions.

Detailed explanation-2: -Overcome physiological problems. IVF can be used to produce offspring from elite animals that are non-productive in traditional methods. The reasons could be abnormal or damaged reproductive tracts, poor response to stimulation or idiopathic reasons.

Detailed explanation-3: -Protect wildlife habitat. Perhaps the greatest threat that faces many species is the widespread destruction of habitat. Scientists tell us the best way to protect endangered species is to protect the special places where they live. Wildlife must have places to find food, shelter and raise their young.

Detailed explanation-4: -Clones could theoretically increase the genetic diversity of an endangered population if researchers have access to preserved DNA from many different individuals. At the very least, clones could stabilize a shrinking population.