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Genetics: A Popular Guide to the Principles of Human Heredity
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Heredity, Human
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1.

Genetic Discoveries, Disorders, and Mutations [electronic resource]

This program analyzes the contributions of Mendel and Darwin, the transmission of single- and multiple-gene disorders, and genetic mutation. Following a description of Mendel's landmark pea-breeding experiments, the principles of heredity are applied to the spread of congenital conditions such as cystic fibrosis, hemophilia, myotonic dystrophy, and Duchenne muscular dystrophy. The second half of the program centers on types of mutation, including point mutation, deletion, frame shifting, insertion, and gross chromosomal abnormality. Darwin's theory of natural selection is considered as well.
Online
2006; 1997
2.

Practical Applications and Risks of Genetic Science [electronic resource]

This program discusses the Human Genome Project, gene-related medical research, and beneficial and potentially dangerous applications of genetic technology both to humans and to plants. Efforts to fight disease through gene therapy and recombinant DNA technology are addressed, as well as research into genetically controlling cancer and organ transplant rejection. The risks of agricultural over-hybridization through genetic engineering and cloning are also explored, as well as the ethical and biological issues surrounding human cloning, alteration of the human genome, and gene warfare.
Online
2006; 1997
3.

Understanding the Basic Concepts of Genetics [electronic resource]

After recapping the contributions of Schwann, Schleiden, Crick, Watson, and Wilkins, this program investigates the basic concepts of genetics. First, protein composition and the role of proteins in cell structure are described. Next, chromosomal differences between the sexes and the structure and function of DNA are examined, along with the concept of base pairing. Third, protein transcription and translation, gene expression, and meiosis-including crossover and independent assortment-are presented. An animated depiction of the fertilization process and the development of the fetus completes the program.
Online
2005; 1997