Genetic testing is becoming more widely available and affordable, allowing individuals to learn more about their genetic makeup and potential health risks. This has implications for personalized medicine and disease prevention. Advances in genome sequencing technology have made it possible to sequence entire genomes in a matter of days or weeks, providing researchers with unprecedented insights into the genetic basis of disease and other biological processes.
#crispr #DNA #homozygous #genomics #GeneTherapy
Traits are characteristics or features that can be passed from one generation to another.
Some examples include hair color, size, and skin color.
Long tail short tail long ears or short ears
Each of these factors can be passed genetically to another generation.
There are different forms of the same trait.
In this next video notice the different shapes of the noses. These would be examples of alleles because they are different forms of the same trait
Traits can also be dominant or recessive
Each individual has two alleles for each gene, one coming from each female and the other from the male. With dominant traits, an individual carries either two dominant genes or one dominant and one recessive gene. A dominant gene can be expressed even if only one copy of the gene is present.
A recessive trait will only be expressed if an individual has two recessive alleles.
In this example purple color is dominant over white color
In summary, a trait is a feature that can be passed from one generation to the next
Learn how to extract DNA from a banana
http://www.moomoomathblog.com/2020/11/dna-from-banana-fun-lab-or-science.html
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Explore DNA structure/function, chromosomes, genes, and traits and how this relates to heredity! Video can replace old DNA structure & function video and in addition covers foundational concepts of heredity. Expand details for video handout: http://www.amoebasisters.com/handouts and table of contents.
Table of Contents:
Video Intro 00:00
Intro to Heredity 1:34
What is a trait? 2:08
Traits can be influenced by environment 2:15
DNA Structure 3:25
Genes 5:32
Some examples of proteins that genes code for 5:54
Chromosomes 6:37
Recap 7:18
To learn more about heredity including dominant and recessive traits, alleles, and probabilities in inheritance, see our full playlist here: https://www.youtube.com/watch?v=fcGDUcGjcyk&list=PLwL0Myd7Dk1FVxYPO_bVbk8oOD5EZ2o5W
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What does it mean when something like addiction or depression is genetically influenced? Are people who are at risk destined to develop problems? Psycologist Danielle Dick explores how our genes and our environments come together across the lifespan to create multiple pathways that can influence addiction.
#addiction #mentalhealth #behavior #genetics
This talk was given at a local TEDx event, produced independently of the TED Conferences. It was filmed and edited by Tijo Media at the Carpenter Theatre at Dominion Arts Center in Richmond, VA.
Dr. Danielle Dick is a Professor in Psychology, African American Studies, and Human and Molecular Genetics at Virginia Commonwealth University. Her research examines genetic contributions to substance use and mental health outcomes, and how the importance of genetic predispositions changes in different environments. She has received millions of dollars of grant funding from the National Institutes of Health and won numerous national and international awards for her research. She founded and directs the College Behavioral and Emotional Health Institute and runs a study called Spit for Science with nearly 10,000 college students taking part.
This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at http://ted.com/tedx Video Rating: / 5
