Dolphins produce a variety of vocalizations, usually in the form of clicks and whistles. Dolphins are sometimes hunted in places like Japan, in an activity known as dolphin drive hunting. Besides drive hunting, they also face threats from bycatch, habitat loss, and marine pollution.
The DNA sequence of a gene can be altered in a number of ways. Gene mutations have varying effects on health, depending on where they occur and whether they alter the function of essential proteins. The types of mutations include:his type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene.
Genetic information includes information about an individual s genetic tests and the genetic tests of an individual s family members, as well as information about the manifestation of a disease or disorder in an individual s family members (i.e. family medical history). Genetic information may be acquired through a genetic monitoring program that monitors the biological effects of toxic substances in the workplace where the monitoring is required by law or, under carefully defined conditions, where the program is voluntary.