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Transcript of Genetics
By Ritch Agustin
A brief history of genetics
The study of genetics started with the observations done by Gregor Mendel also known as the father of genetics. Gregor Mendel discovered the basic principles of heredity through experiments in his garden.
Traits are characteristics that you inherit from your parents. How? Each human has 23 pairs of chromosomes or 46 individual chromosomes. Half of the chromosomes come from each parent. There are thousands of genes on each chromosome. Genes have information that determines your traits.
When an organism is incomplete dominant it means that there was a cross between two different organisms with to different phenotypes create a offspring with a third different phenotype that blends both parents traits.
When an organism is codominance it means that there was a cross between two organisms with two different phenotypes produce an offspring with a third different phenotype where both parents traits apear together.
Blood typing figuring out the specific type of blood you have. Blood is seperated according to the ABO blood typing system. This method breaks blood types down into four main types Type A, Type B, Type AB and Type O. Your blood type or blood group depends on the types that have been passed down to you from your parents.
Humans have a pair of chromosomes that determine your gender/sex called the X and Y sex chromosomes. Men normally have an X and a Y combination of sex chromosomes, while women have two X's. Since only men inherit Y chromosomes, they are the only ones to inherit Y-linked traits. Men and women can get the X-linked ones since both inherit X chromosomes.
Thank you for coming hope you enjoyed!!!
-Ritch Agustin :-)