A Level Biology Revision Lesson 339:

Recombinant DNA and the Central Dogma of Biology

Task 1. Check Where this Lesson fits into your Exam Specification!

Task 2. Watch the Revision Notes Lesson in Full.

00:00 Intro | Learning outcomes

00:40 Recombinant DNA - definition

01:15 The making of Recombinant DNA make use of particular enzymes.

01:53 The Central Dogma of Molecular Biology

02:40 The Central Dogma of Molecular Biology needs updating...

03:06 Reverse Transcriptase

03:27 The "updated" Central Dogma of Biology

04:07 Why you need to this!

05:18 Define Transgenic organism.


Check your Spec...

AQA A Level Biology Specification Reference: - Recombinant DNA technology (A-level only). Recombinant DNA technology involves the transfer of fragments of DNA from one organism, or species, to another. Since the genetic code is universal, as are transcription and translation mechanisms, the transferred DNA can be translated within cells of the recipient (transgenic) organism. Interpret information relating to the use of recombinant DNA technology.


CIE A Level Biology Specification Reference: - 19.1 Principles of genetic Technology: a) define the term recombinant DNA. b) explain that genetic engineering involves the extraction of genes from one organism, or the synthesis of genes, in order to place them in another organism (of the same or another species) such that the receiving organism expresses the gene product.


Edexcel A Level Biology  (Biology A – Salters-Nuffield) Specification Reference: - N/A


Edexcel A Level Biology  (Biology B) Specification Reference: - Topic 7: Modern Genetics. 7.4 Gene technology: Understand how recombinant DNA can be produced.


OCR A Level Biology  (Biology A) Specification Reference: - 6.1.3 Manipulating genomes (the principles of genetic engineering - Recombinant DNA).


OCR A Level Biology (Biology B) Specification Reference: - 5.1.3 Gene technologies.


WJEC A Level Biology Specification Reference: - 7. Application of reproduction and genetics.


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