Grade 12 Life Sciences
Genetic crosses: Inheritance of sex and multiple alleles
We take a look at how the sex of an individual is determined and we also investigate genetic crosses where multiple alleles exist for example blood types in humans
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Dihybrid crosses and pedigree diagrams
We discuss dihybrid crosses where two independent alleles are investigated to determine the chances of two different characteristics occurring in the same individual. We also look at pedigree diagrams and how inheritance can be determined by using these diagrams.
Genetic mutation and biotechnology
We discuss the significance of genetic mutations and the ways in which mutations can take place. We also discuss the use of biotechnology to the benefit of humans.
Human nervous system: The Central ner...
We discuss the central nervous system in humans and the different parts that make up the central nervous system as well as the function of the different parts.