This 14-slide powerpoint presentation covers 'Topic 3.1 - Genes' in the 2016 IB Biology curriculum. Each slide includes the specific learning objective as well as key vocabulary that
students should note.
The presentation itself contains minimal information as it is intended to be used with teacher guidance. They are also formatted to be visually pleasing and to print well for handouts or
revision. Please see the preview file for an idea of the slide aesthetic and level of detail.
As always, please let me know if you have any suggestions for improvements. These are always a work in progress!
U1: A gene is a heritable factor that consists of a length of DNA and influences a specific characteristic.
U2: A gene occupies a specific position on a chromosome.
U3: The various specific forms of a gene are alleles.
U4: Alleles differ from each other by one or only a few bases.
U5: New alleles are formed by mutation.
U6: The genome is the whole of the genetic information of an organism.
U7: The entire base sequence of human genes was sequenced in the Human Genome Project.
A1: The causes of sickle cell anemia, including a base substitution mutation, a change to the base sequence of mRNA transcribed from it and a change to the sequence of a polypeptide in hemoglobin.
A2: Comparison of the number of genes in humans with other species.
S1: Use of a database to determine differences in the base sequence of a gene in two species.