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AP Biology - Genes

Examples, lessons, videos, and experiments that are suitable for Biology.

Gene Control
Prokaryotic and eukaryotic gene control. Operons, transcriptions, and RNA interference are all discussed. How genes are regulated in both prokaryotes and eukaryotes. Description of the lac and trp operon and how they are used by bacteria in both positive and negative response. Explains the importance of transcription factors in eukaryotic gene expression.
Natural Selection
How natural selection is a major mechanism in evolution.
The video begins with a discussion of Charles Darwin and the details of natural selection.
The data of the peppered moth during the industrial revolution is used to show the process of adaptation.
Allele frequencies are calculated before and after the selection.
The adaptation of cichlids in African lakes is also included.

Solving Hardy Weinberg Problems
How to solve simple Hardy-Weinberg problems.
Brief description of a gene pool and shows you how the formula is derived.
How to solve a couple of sample problems.
The Origin of Species
Scientific evidence of the origin of life on our planet.
Brief discussion of the age of the earth and ends with the future of humanity.
Geologic, chemical and molecular data. AP Biology - The Final Review

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