Home > Subjects > Biology > Level 3 > 3.3 Gene expression > Links > Sites for revision
- Subject: Biology
- AS: AS90715
- Level: 3
- Credits: 4
- External
Biology 3.3 Describe the role of DNA in relation to gene expression
Sites for revision
In addition to these links, the links provided on the subject content page are useful for specific problems.
DNA From the Beginning
This website has a wealth of information to do with genetics so move around the site. There are 41 clips to choose from and each one has a number of problems to attempt. Answers are marked and explained.
http://www.dnaftb.org/dnaftb/
The Biology Project: Mendelian Genetics
A website that has tests on monohybrid and dihybrid crosses and sex linkage. Wrong answers are explained in a tutorial. Suitable for NCEA level 2 and 3.
http://www.biology.arizona.edu/mendelian_genetics/
mendelian_genetics.html
Gene Interaction
This website outlines gene interactions. Of particular interest are co-dominant alleles, incomplete dominance, multiple alleles, epistasis, polygenic inheritance (well illustrated), and pleiotropy.
http://www.emc.maricopa.edu/faculty/farabee/
BIOBK/BioBookgeninteract.html#Interactions%20among%20genes
