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Related Concept Videos

Human Genetics01:28

Human Genetics

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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
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Hypodermis01:02

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The hypodermis (the subcutaneous layer or superficial fascia) is present directly below the dermis. It connects the skin to the underlying fascia (fibrous tissue) of the bones and muscles. It is not strictly a part of the skin, although the border between the hypodermis and dermis can be difficult to distinguish. The hypodermis consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for...
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Obesity01:24

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The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
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Incomplete Dominance01:43

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Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
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Polygenic Traits01:18

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When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
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Genomic Imprinting and Inheritance02:30

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Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
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Genetics of fat deposition.

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Genetic factors influence how adipose tissue is distributed differently in men and women. Understanding these genetic links can help develop personalized obesity treatments.

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Area of Science:

  • Genetics
  • Endocrinology
  • Human Physiology

Background:

  • Adipose tissue distribution typically differs between sexes: men exhibit android (abdominal) fat, while women show gynoid (gluteal-femoral) fat.
  • Variations exist, with some men displaying gynoid patterns and some women exhibiting android patterns.
  • Adipose tissue accumulation is a complex process influenced by both genetic and environmental factors.

Purpose of the Study:

  • To review the genetic factors contributing to differential adipose tissue distribution.
  • To explore variations in fat distribution across different body depots, sexes, and ethnicities.
  • To highlight the potential of genetic insights for personalized obesity interventions.

Main Methods:

  • Literature review focusing on genetic influences on adipose tissue distribution.
  • Examination of studies investigating sex- and ethnicity-based differences in fat patterning.
  • Discussion of genome-wide association studies (GWAS) for identifying relevant genetic variants.

Main Results:

  • Genetic factors play a significant role in determining where adipose tissue accumulates in the body.
  • Differential gene expression and variants contribute to sex-specific and ethnic variations in fat distribution.
  • Genome-wide association studies are effective tools for pinpointing genetic loci associated with adipose tissue depots.

Conclusions:

  • Genetic predispositions significantly impact adipose tissue distribution patterns.
  • Further research into the genetics of fat distribution can inform targeted therapeutic strategies.
  • Understanding these mechanisms is crucial for developing personalized interventions to manage increased fat mass.