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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
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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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Behavioral Genetics and Its Designs01:23

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Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
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Sex-linked Disorders01:43

Sex-linked Disorders

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Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
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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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Related Experiment Video

Updated: Apr 4, 2026

Author Spotlight: Exploring Autism Spectrum Disorder Symptoms in Fruit Flies — Genetic Models and Behavioral Tests
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The complex genetics in autism spectrum disorders.

Rui Hua1, MengPing Wei1, Chen Zhang2

  • 1State Key Laboratory of Membrane Biology, School of Life Sciences; PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, 100871, China.

Science China. Life Sciences
|September 4, 2015
PubMed
Summary
This summary is machine-generated.

Autism spectrum disorder (ASD) is a complex genetic condition. This review summarizes key genetic factors, including genes and microRNAs, implicated in ASD pathogenesis.

Keywords:
autism spectrum disorderscausative genescopy number variantsgenetics

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Area of Science:

  • Neurodevelopmental disorders
  • Genetics
  • Molecular Biology

Background:

  • Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by social interaction deficits, communication challenges, and repetitive behaviors.
  • Genetic factors are significant contributors to ASD, with numerous genes, copy number variants (CNVs), and microRNAs linked to its development.
  • Understanding the genetic underpinnings of ASD is crucial for unraveling its complex etiology.

Purpose of the Study:

  • To provide a concise overview of high-confidence genetic alterations associated with ASD.
  • To discuss the potential roles of these genetic changes in the pathogenesis of autism spectrum disorder.

Main Methods:

  • Literature review of high-confidence genetic findings in ASD.
  • Synthesis of current knowledge on genes, CNVs, and microRNAs implicated in ASD.
  • Analysis of the proposed mechanisms by which these genetic factors contribute to ASD.

Main Results:

  • Identification of numerous genes, CNVs, and microRNAs as high-confidence genetic factors in ASD.
  • Evidence suggests a complex interplay of these genetic elements in ASD development.
  • Specific genetic variations are linked to distinct aspects of ASD symptomatology.

Conclusions:

  • ASD is a genetically complex disorder with diverse contributing factors.
  • Further research into these genetic changes is essential for understanding ASD pathogenesis.
  • These findings may inform future diagnostic and therapeutic strategies for autism spectrum disorder.