Home > Subjects > Science > Level 3 > 3.3 Genetic processes > Subject content
- Subject: Science
- AS: AS90729
- Level: 3
- Credits: 4
- External
Science 3.3 Genetic processes
Subject content
Keep your notes up to date. You may be tested on a selection from the following:
- Genetic expression and its role in gene technology:
- Structure of DNA and its role in carrying the genetic code: double helix, nucleotides, base pairing, triplets, coding strand.
- Structure and function of RNA: messenger RNA, transfer RNA, ribosomal RNA.
- DNA replication, which includes functions of DNA polymerase, ligases.
- Stability of DNA and the effect of point mutations on gene expression.
- Protein synthesis, which includes the role of DNA in determining the structure and function of a protein, and how that protein is produced: tRNA, mRNA, rRNA, amino acids, RNA polymerase, codons, anticodons, peptide bonds, polypeptides, transcription, and translation.
Check out this cool site S-Cool – Biology and scroll down to the genetic topics.
Navigate around this site DNA–RNA–Protein – Introduction to find most of the concepts you require for this achievement standard. Try both the basic and advanced pages.
- Applications of gene technology:
- Restriction enzymes, ligation polymerase chain reaction, DNA probes, DNA profiling, DNA sequencing, gene cloning, transgenesis, gene therapy.
- The implications of gene technology and associated issues.
Check out the information on this site about Biotechnology – Applications for Human Use, where gene technology is explained as having the potential for treating diseases in new ways, called gene therapy, and also for putting to new uses, such as DNA profiling.
A possible pūtaiao context may involve issues associated with gene technology, including concerns of some iwi regarding interspecific gene transfer.

