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The purpose of designing a unit on “Heredity and Environment,” is to help students learn more about themselves. They will learn why they develop into the kind of individual they are. Included in the unit is a discussion of chromosomes and genes, DNA, the genetic code: heredity and environment, a study of identical twins, and some genetic disorders.
The students will do some hands on activities with making DNA models. They will explore plants with the exact same heredity and plants with different heredity. Also, they will change the conditions in the environment to see the way the plant develops. A lack of food, water, or sunlight changes the way the plant organisms with the same heredity may develop differently in different environments. Heredity is not the only thing that affect development. The environment also has an important effect.
The unit can be taught to students in grades five through eight. The science and math teachers are encouraged to use a team teaching approach. Other features included in the unit are: content, lesson plans, resources, class trips, a reading list, and a bibliography.
(Recommended for Biology, Genetics, General Science, and Health Science, grades 5-8)
Biology Herdity Genetics Human