Genetic Modification (genetic Engineering)
Gbogbo ọrọ náà
Selective breeding takes generations and is limited to the traits already present in a species. Genetic modification breaks both of those barriers: scientists can now cut a gene from one organism and paste it into an entirely different species, producing a result in months rather than decades.
In this lesson you will learn how restriction enzymes and ligase work together to build recombinant DNA, how plasmids and viruses act as vectors, and how these tools have made it possible to mass-produce human insulin and engineer crops that resist pests and drought.
Ebumnobi
- Understand how restriction enzymes are used to cut DNA at specific sites and ligase enzymes are used to join pieces of DNA together
- Understand how plasmids and viruses can act as vectors, which take up pieces of DNA, and then insert this recombinant DNA into other cells
- Understand how large amounts of human insulin can be manufactured from genetically modified bacteria that are grown in a fermenter
- Understand how genetically modified plants can be used to improve food production
- Understand that the term transgenic means the transfer of genetic material from one species to a different species
Akọmọ Ojú-ẹkọ
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ayẹwo Ẹkọ
Ekele diri gi maka imecha ihe karịrị na Genetic Modification (genetic Engineering). Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- What do restriction enzymes do? A) Join two pieces of DNA together B) Cut DNA at specific base sequences C) Copy DNA during cell division D) Unwind the DNA double helix Answer: B
- What is the role of DNA ligase in genetic engineering? A) It cuts DNA into fragments B) It copies DNA C) It joins pieces of DNA together permanently D) It identifies the desired gene Answer: C
- Which of the following can act as a vector in genetic engineering? A) A ribosome B) A mitochondrion C) A plasmid D) A chromosome Answer: C
- What does the term 'transgenic' mean? A) An organism that has been selectively bred B) An organism containing DNA from a different species C) An organism that reproduces asexually D) An organism that has mutated naturally Answer: B
- Why are bacteria used to produce human insulin? A) They have a nucleus containing chromosomes B) They reproduce slowly and produce pure insulin C) They reproduce rapidly, contain plasmids, and share the same genetic code D) They are the only organisms that can read human DNA Answer: C
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Àwọn Ìwé Tó Dáa Láti Kà
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Genetic Modification (genetic Engineering)? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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