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Related Concept Videos

Human Genetics01:28

Human Genetics

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...
Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

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.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
Karyotyping01:17

Karyotyping

Describing the number and physical features of chromosomes can reveal abnormalities that underlie genetic diseases. This description is facilitated by special staining techniques that produce a particular banding pattern on each chromosome. State-of-the-art techniques make this approach even more powerful, enabling the detection of individual genes that cause disease.A Simple Chromosome Staining Technique Provides Valuable Scientific InsightSome genetic diseases can be detected by looking at...
Punnett Squares01:00

Punnett Squares

Overview

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Related Experiment Video

Updated: Jun 5, 2026

FISH for Pre-implantation Genetic Diagnosis
07:34

FISH for Pre-implantation Genetic Diagnosis

Published on: February 23, 2011

Prenatal genetic counselling.

B C McGillivray

    Canadian Family Physician Medecin De Famille Canadien
    |January 27, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Family physicians identify genetic concerns for prenatal diagnosis. While amniocentesis is common, ultrasound and chorionic villus sampling offer alternatives for genetic testing and structural abnormality detection.

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    Published on: August 25, 2019

    Area of Science:

    • Medical Genetics
    • Prenatal Medicine
    • Obstetrics

    Background:

    • Family physicians play a crucial role in identifying potential genetic concerns during pregnancy.
    • Personal, pregnancy, and family history are key indicators for prenatal diagnostic needs, extending beyond advanced maternal age.
    • Understanding genetic risks is vital for informed reproductive healthcare decisions.

    Purpose of the Study:

    • To outline the initial recognition of genetic concerns by family physicians.
    • To review the diagnostic modalities available for prenatal genetic assessment.
    • To highlight the evolving landscape of prenatal diagnostic techniques.

    Main Methods:

    • Review of personal, pregnancy, and family medical histories.
    • Assessment of indications for prenatal diagnosis.
    • Evaluation of diagnostic techniques including ultrasound and invasive procedures.

    Main Results:

    • Family physicians are the first point of contact for identifying genetic concerns.
    • Advanced maternal age is a common indicator, but other historical factors are also significant.
    • Amniocentesis remains prevalent, with ultrasound valuable for structural assessment and chorionic villus sampling emerging as an alternative.

    Conclusions:

    • Early recognition of genetic risks by primary care physicians is essential.
    • A combination of detailed history, ultrasound, and genetic testing provides comprehensive prenatal evaluation.
    • The field of prenatal diagnosis continues to evolve with new and alternative testing methods.