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IGNOU MANI 002 Solved Assignment 2022-23
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Important Note – IGNOU MANI 002 Solved Assignment 2022-23 You may be aware that you need to submit your assignments before you can appear for the Term End Exams. Please remember to keep a copy of your completed assignment, just in case the one you submitted is lost in transit.
Submission Date :
- 31st March 2033 (if enrolled in the July 2033 Session)
- 30th Sept, 2033 (if enrolled in the January 2033 session).
SECTION – A
1. What is physical anthropology and discuss its branches.
Ans. Physical anthropology, branch of anthropology concerned with the origin, evolution, and diversity of people. Physical anthropologists work broadly on three major sets of problems: human and nonhuman primate evolution, human variation and its significance, and the biological bases of human behaviour.
The course that human evolution has taken and the processes that have brought it about are of equal concern. In order to explain the diversity within and between human populations, physical anthropologists must study past populations of fossil hominins as well as the nonhuman primates. Much light has been thrown upon the relation to other primates and upon the nature of the transformation to human anatomy and behaviour in the course of evolution from early hominins to modern people—a span of at least four million years.
The processes responsible for the differentiation of people into geographic populations and for the overall unity of Homo sapiens include natural selection, mutation, genetic drift, migration, and genetic recombination. Objective methods of isolating various kinds of traits and dealing mathematically with their frequencies, as well as their functional or phylogenetic significance, make it possible to understand the composition of human populations and to formulate hypotheses concerning their future. The genetic and anthropometric information that physical anthropologists collect provides facts about not only the groups who inhabit the globe but also the individuals who compose those groups. Practical applications of physical anthropological data include, for example, using estimates of the probabilities that children will inherit certain genes to counsel families about some medical conditions.
The study of human evolution is multidisciplinary, requiring not only physical anthropologists but also earth scientists, archaeologists, molecular biologists, primatologists, and cultural anthropologists. The essential problems are not only to describe fossil forms but also to evaluate the significance of their traits. Concepts such as orthogenesis have been replaced by adaptive radiation (radiant evolution) and parallel evolution. Fossil hominins of considerable antiquity have been found in Africa, Asia, Australia, and Europe, and few areas lack interesting human skeletal remains. Two problems requiring additional research are (1) the place, time, and nature of the emergence of hominins from preceding hominoids and (2) the precise relationship of fully anatomically modern Homo sapiens to other species of Homo of the Pleistocene Epoch (i.e., about 2,600,000 to 11,700 years ago), such as the Neanderthal.
Nonhuman primates provide a broad comparative framework within which physical anthropologists can study aspects of the human career and condition. Comparative morphological studies, particularly those that are complemented by biomechanical analyses, provide major clues to the functional significance and evolution of the skeletal and muscular complexes that underpin our bipedalism, dextrous hands, bulbous heads, outstanding noses, and puny jaws. The wide variety of adaptations that primates have made to life in trees and on the ground are reflected in their limb proportions and relative development of muscles.
Free-ranging primates exhibit a trove of physical and behavioral adaptations to fundamentally different ways of life, some of which may resemble those of our late Miocene–early Pleistocene predecessors (i.e., those from about 11 to 2 million years ago). Laboratory and field observations, particularly of great apes, indicate that earlier researchers grossly underestimated the intelligence, cognitive abilities, and sensibilities of nonhuman primates and perhaps also those of Pliocene–early Pleistocene hominins (i.e., those from about 5.3 to 2 million years ago), who left few archaeological clues to their behaviour.
The study of inherited traits in individuals and the actions of the genes responsible for them in populations is vital to understanding human variability. Although blood groups initially constituted the bulk of data, many other molecular traits, particularly DNA sequences, have been analyzed. At the turn of the 21st century, geographic populations were described in terms of gene frequencies, which were in turn used to model the history of population movements. This information, combined with linguistic and archaeological evidence, helps to resolve puzzles on the peopling of continents and archipelagoes. Traits that were used for racial classifications do not group neatly in patterns that would allow boundaries to be drawn among geographic populations, and none endows any population with more humanity than others. The concept of biological races (subspecies) of Homo sapiens is invalid; biologically meaningful racial types are nonexistent, and all humans are mongrels.
Problems of population composition, size, and stability are important in many ways. An immediate aspect is the varying rate of change that may occur in populations of different sizes. Theoretically, small populations are more susceptible to chance fluctuations than large populations. Both the natural environment and the economy of a particular society affect population size. Studies of human physiological adaptations to high-altitude, arid, frigid, and other environments, of nutrition, and of epidemiology have revealed just how versatile and vulnerable humans are.
Bioarchaeologists test hypotheses about relative mortality, population movements, wars, social status, political organization, and other demographic, epidemiological, and social phenomena in past societies by combining detailed knowledge of cultural features and artifacts, such as those related to mortuary practice, with an understanding of paleonutrition, paleopathology, and the discrete traits that can be detected from skeletons.
Methods to assess rates of growth, skeletal age compared with chronological age, and the genetic, endocrinologic, and nutritional factors that affect growth in humans and other primates are foci of research by physical anthropologists in medical and dental schools, clinics, primate centres, and universities. The relation between growth and socioeconomic status and other cultural factors receives considerable attention. The sequential emergence of teeth provides an index of development. Growth studies have tracked children through morphological and biochemical changes to discern why they grow. Physical anthropologists are also involved in studies of aging, particularly with regard to skeletal changes such as osteoporosis.
Bodily measurements are a mainstay of anthropological research. Digital calipers and other sophisticated instruments that load data directly into computers expedite data collection and analysis. The judicious selection of measurements and informed weighting of traits during analyses are essential. Statistical considerations are especially important in genetic and anthropometric research.
The provision of clothing for masses of people depends on anthropometry. Substantial sums have been saved because physical anthropologists measured a small sample of the population in a particular area and adjusted the clothing tariffs to the predicted distribution of bodily sizes and shapes. The components of body build—the different tissues and dimensions—have been studied by means of factor analysis and comparisons of siblings and twins. Their modes of inheritance and responses to environmental conditions are somewhat better understood today than they were when the science began.
Via expert knowledge of the human skeleton, fingerprints, blood genetics, DNA sequencing, and archaeological methods, physical anthropologists provide invaluable assistance in the identification of victims and perpetrators of crimes and casualties of accidents and wars.
Because of the wide spectrum of problems, methods, and practical applications, physical anthropologists specialize in one or a few subareas. Many research puzzles require cooperation not only among physical anthropologists but also with other natural and social scientists. Further, professions such as dental anthropology, as conceived by Albert A. Dahlberg (1908–93), cut across all subareas of physical anthropology. Modern multidisciplinary projects have greatly accelerated the acquisition of knowledge about Homo sapiens, and they have enhanced the quality of life for many people through practical applications.
2. Highlight the acclamatory adjustments of human beings in extreme of cold conditions.
3. Discuss Sheldon’s method of somatotyping. Discuss its merits and demerits.
SECTION – B
4. What are the different methods of studying growth? Describe in brief.
5. Define and differentiate between any two of the following:
a) Sex chromosomal abnormality and Specific chromosomal abnormality
b) Prenatal growth and Postnatal growth
c) Chromosome Analysis and Karyotype Analysis
6. Discuss Palaeoanthropology.
Get IGNOU MANI 002 Solved Assignment 2022-23 Now here from this website.
7. What do you understand by applied physical anthropology? Discuss its application in
kinanthropometry and genetic counseling.
8. Describe hominization in brief.
IGNOU MANI 002 Solved Assignment 2022-23
9. Briefly discuss Hardy Weinberg Law.
10. Write short notes on any two of the following:
a) Synthetic Theory
b) Epidemiological Anthropology
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IGNOU Instructions for the MANI 002 Physical Anthropology
IGNOU MANI 002 Solved Assignment 2022-23 Before attempting the assignment, please read the following instructions carefully.
- Read the detailed instructions about the assignment given in the Handbook and Programme Guide.
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- Write the relevant question number with each answer.
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GUIDELINES FOR IGNOU Assignments 2022-23
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