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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 (see also race), and the biological bases of human behaviour.
These so-called 'ecological rules of evolution' have provided a profound insight into how organisms adapt and evolve in response to their environment.
Chromosomal abnormalities occur when there is a significant change in the number or structure of chromosomes in a person's cells. This can include deletions, duplications, inversions, or translocations of chromosome parts.
Polygenes refer to a group of multiple genes that contribute to the expression of a specific trait or characteristic. Unlike single genes that have a clear-cut influence, polygenes work together to influence a trait's variation and complexity.
Genomic Library is a collection of the total genomic DNA from a single organism. The DNA is stored in a population of identical vectors, each containing a different insert of DNA.
Deforestation, the large-scale removal of forests, has become a widespread ecological concern in the past century. Its far-reaching effects on the environment have contributed to an ecological imbalance with both immediate and long-term consequences.
Recombinant DNA technology, also known as genetic engineering, refers to the manipulation and modification of DNA molecules from different sources to create new combinations of genetic material.
While the standard blueprint of human genetic material consists of 46 chromosomes, sometimes, nature deviates from this pattern. These deviations, referred to as chromosomal aberrations or disorders, manifest in two primary forms: numerical and structural aberrations.
Life Tables, often known as mortality tables, play a critical role in demographic analysis. They offer comprehensive snapshots of mortality rates and survival probabilities for a population at different ages, providing the foundation for analyzing patterns and predicting future trends.
The death rate, also known as mortality rate, is a crucial demographic indicator that provides insights into the general health and wellbeing of a population. It measures the number of deaths annually per 1000 individuals in a specific community or region.
Genetic drift is a process of random sampling. Every generation, alleles are sampled from the existing gene pool to create the next generation. Due to random chance, some alleles get over or underrepresented, leading to changes in their frequency in the population.
Blood transfusion is a common medical procedure where donated blood or blood components are transferred into a person's circulatory system. This life-saving process can be crucial in various situations such as surgeries, trauma, severe anemia, or conditions that affect blood clotting.
Classical Evolutionism forms the cornerstone of anthropology and social sciences, and delves into the progression of human society. It is a theory positing that societies develop linearly, advancing from simpler to more complex structures.
