Grade 12 Life Sciences
We investigate crosses between individuals when there is incomplete dominance between the different characteristics and what the phenotypes will look like in such cases. We do the same with co-dominant traits.
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Genetic crosses: Inheritance of sex a...
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
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.