this was restricted to the selective breeding of Ethics of genetically engineering forest trees Secondly, concern is expressed over the likeli-
Genetic engineering works primarily through insertion of genetic material, although gene insertion must also be followed up by selection This insertion process
12 avr 2019 · However, genetic engineering can either partially or completely circumvent many natural mechanisms and controls developed over the course of
“Selective breeding is the technique by which humans use animal and plant breeding to selectively develop particular phenotypic traits (characteristics)” -
Humans begin using selective breeding to improve agricultural plants and animals 1980s: First genetically engineered plants developed 1953: James Watson
Genetics, trait, drought, meiosis, genetic modification, strong root system, Students model selective breeding and evaluate the strengths and
the potential benefits of genetic engineering of foods, the technology is creased crop yield, improvement in agriculture through breeding insect, pest,
Cons Man has been doing selective breeding since agriculture began Genetic engineering is really no Genetic Engineering involves the moving of genes
![[PDF] Genetic Modification & Selective Breeding - iGEM 2017 [PDF] Genetic Modification & Selective Breeding - iGEM 2017](https://pdfprof.com/EN_PDFV2/Docs/PDF_3/2978_3T__SECA_NZ__PresentationGMSelectiveBreeding.pdf.jpg)
2978_3T__SECA_NZ__PresentationGMSelectiveBreeding.pdf
Genetic Modification &
Selective Breeding
Alastair Harris and Judith Glasson
SECA_NZ UoA2017
Alastair Harris
Biotechnology major: Beer Brewing
Judith Glasson
Biomedical major:
Question?
GMO vs Selective Breeding
organism (GMO) is any organism whose genetic material has been altered using genetic engineering
Wikipedia
technique by which humans use animal and plant breeding to selectively develop particular phenotypic -
Wikipedia
Change in Gene frequencies &
observed phenotypes
Selective Breeding
Selective Breeding; The good, The Bad
Bigger
Faster Growing
Resistant
Native Genes are used
Takes a LONG Time!
Corn ~5000 years
One gene in many
Diversity
Genetically Modified Organism
Transgenic vs CisgenicOrganisms
Comparisons
GMO
One gene increases in frequency
Desired phenotype
Time Frame
One/Two generations
Targeted
Comparisons
GMO
One gene increases in frequency
Desired phenotype
Time Frame
One/Two generations
Targeted
Any Gene
Selective Breeding
Many gene frequencies change
Desired Phenotype (Hopefully)
Time Frame
~5000 years (corn)
Non-specific
Species Specific
The CRISPR/Cas9 System
The CRISPR/Cas9 System
Targeted
Undetectable!
Marker Assisted selection
Which Ones Better?
QUESTIONS?