Genetics is a branch of biology that involves studying genes, which are the basic units of heredity. Genes are found in every living organism and are inherited from the parents. They enable the continuation of a species as well as the formation of a new species through evolution. The genes contain information on the characteristics and functions of living organisms. They determine the appearance of the organism and its abilities. The diversity that is observed within living organisms is caused by the expression of these genes.
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There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page. In cattle, coats may be solid white, solid black, or black-and-white spotted. When true-breeding solid whites are mated with true-breeding solid blacks, the F1 generation consists of all solid white individuals. Explain the mode of inheritance governing coat color by determining how many gene pairs are involved and which genotypes yield which phenotypes. Is it possible to isolate a true-breeding strain of black-and-white spotted cattle? If so, what genotype would they have?
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It is an exciting time to be studying genetics. New discoveries and landmark progress are constantly being made. The study of genetics takes you to the study of genes on a molecular level.
Describein detail how insertion, deletion, and base substitution of nucleotides can have a significant impact on genes. Find three specific examples actual genemutations, not chromosome mutations of ways in which a very small change in DNA can have a major impact on an organism, and describe each mutation in detail. Why do agricultural researchers intentionally produce polyploid crop plants? Explain in detail what polyploidy means and discuss different types of polyploid plants.