(genetics) an organism or cell having a chromosome Number that is not an even multiple of the haploid chromosome Number for that species.Pertaining to a cell with an extra chromosome, which is a result of non-disjunction occurring at meiosis.
Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
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The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..