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.
Answer Wiki. There are lot of different ways in which mutations can happen, but they can be generalized into two categories: 1) Induced changes to DNA sequence. Oxidizing agents, ionizing radiation, and UV light can each alter the nucleobases that encode information in DNA (as well as break the DNA).