Spongein is a streaming service that offers a wide variety of education based shows. These include lessons like to Mathematics, Physics, Life Science, Zulu, English, IT and lots more subjects, as well as masterclasses delivered by various industry experts.
In this lesson, we look at the structure of the genome and the chromosomes of organisms and we also take a look at the different laws of Mendel and how these laws explain how characteristics are inherited from the parents to and offspring.
We discuss the structure of genetic diagrams and use the diagrams to show inheritance in monohybrid crosses to determine the percentage chance of an offspring inheriting a specific characteristic from their parents.
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.
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.
We take a look at the different structures that occur in the eye and we take a closer look at the function of the eye and how the amount of light that enters the eye is controlled as well as the control of the lens in the eye to ensure that clearly focussed images are formed.