The global rate is 51 deaths per 1,000 births. For the United States, the rate is eight per 1,000 births. Infant mortality rate (IMR) is not only a group of statistic but instead it is a reflection of the socioeconomic development and effectively represents the presence of medical services in the countries.
Genetic diversity is the total number of genetic characteristics in the genetic makeup of a species. It is distinguished from genetic variability, which describes the tendency of genetic characteristics to vary.Genetic diversity serves as a way for populations to adapt to changing environments.With more variation, it is more likely that some individuals in a population will possess variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele.he interdependence between genetic and species diversity is delicate. Changes in species diversity lead to changes in the environment, leading to adaptation of the remaining species. Changes in genetic diversity, such as in loss of species, leads to a loss of biological diversity.
Genetic polymorphism. Definition. noun. (1) The existence together of many forms of DNA sequences at a locus within the population. (2) A discontinuous genetic variation that results in different forms or types of individuals among the members of a single species.Supplement. Genetic polymorphism promotes diversity within a population.It often persists over many generations because no single form has an overall advantage or disadvantage over the others regarding natural selection. A common example is the different allelic forms that give rise to different blood types in humans.enetic polymorphism promotes diversity within a population. It often persists over many generations because no single form has an overall advantage or disadvantage over the others regarding natural selection.