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Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More
Molecular genetics
Definition noun A branch of genetics that deal with the structure and function of genes at a molecular... Read More
Law of Independent Assortment
Law of Independent Assortment Definition noun (genetics) Mendelian law stating that for every pair of unit factors, each... Read More
Mendelian Genetics
Definition noun (genetics) A set of theories that attempts to explain inheritance and biological diversity according to... Read More
Polyploidy
Reviewed by: Mary Anne Clark, Ph.D. Polyploidy Polyploidy is defined as the state of being polyploid, which... Read More
Darwin and Natural Selection
Reviewed by: Mary Anne Clark, Ph.D. In the 19th century, a man called Charles Darwin, a biologist from England,... Read More
Examples of Natural Selection
Reviewed by: Mary Anne Clark, Ph.D. Darwin's Finches Darwin's finches are an excellent example of the way in... Read More
Selective Breeding
Reviewed by: Mary Anne Clark, PhD Thousands of years before Darwin proposed evolution by natural selection and... Read More
Genetic Engineering Advantages & Disadvantages
Through genetic engineering, scientists are able to move desirable genes from one plant or animal to another or... Read More
The Gene Pool and Population Genetics
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial is about adaptive radiation. Adaptive radiation is... Read More
Chromosome
Chromosomes Definition Chromosomes are thread-like structures present in the nucleus of plant and animal cells. Chromosomes... Read More
Adaptive Radiation
Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More
Chromosomes X and Y and Sex Determination
Reviewed by: Mary Anne Clark, Ph.D. In humans, the normal chromosome complement is 46, consisting of 22 pairs of... Read More
Biological Cell Introduction
It only takes one biological cell to create an organism. In fact, there are countless species of single-celled organisms,... Read More
DNA Structure & DNA Replication
Previous pages in this tutorial have described the basics of a cell, the energy required by these cells and how energy is... Read More
Non-Mendelian Inheritance
Reviewed by: Mary Anne Clark, Ph.D. The inheritance patterns seen in Mendel's monohybrid and dihybrid crosses... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More
Chromosome Mutations
Reviewed by: Mary Anne Clark, Ph.D. By nature, the genetic information from both parents is expected to be seen... Read More
Polyploidy
Definition noun (genetics) The state of being polyploid, that is more than two sets of the chromosomes in a... Read More
Mendel’s Law & Mendelian Genetics
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial, Dominance, has described Gregor Mendel’s law of... Read More
Inheritance and Probability
Reviewed by: Mary Anne Clark, Ph.D. Gregor Mendel, an Austrian monk, is most famous in this field for his study... Read More
Independent Assortment and Crossing Over
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial investigates the process of meiosis, where... Read More
Adaptive radiation
Definition noun The diversification of several new species from a recent ancestral source, each adapted to utilize or... Read More
Law of Segregation
Mendel’s Laws of Inheritance The father of genetics, Gregor Mendel, reported his findings in 1860 that initially were... Read More
Gregor Mendel
Definition noun Augustinian monk and botanist who formulated the laws of heredity based on his careful breeding... Read More
Sex-linked trait
Definition of Sex-Linked Traits A sex-linked trait is an observable characteristic of an organism that is influenced by the... Read More
Codominance
Codominance Definition Codominance is a form of inheritance wherein the alleles of a gene pair in a heterozygote are fully... Read More
Meiosis – The Genetics of Reproduction
The genetic information found in DNA is essential in creating all the characteristics of an organism. This remains the case... Read More