Spring 2008 001 Exam 2 Review

Spring 2008 001 Exam 2 Review - Spring 2008 PSS 1411 001...

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Spring 2008 PSS 1411 001 Exam 2 Review For Exam 2 (29 February, 2008) please review your notes and if necessary your  textbook. You should pay key attention to the following areas: Plant Genetics: Gregor Mendel: was an Augustinian priest and scientist , and is often called the father of genetics for his study of the inheritance of traits in pea plants. Mendel showed that the inheritance of traits follows particular laws , which were later named after him. The significance of Mendel's work was not recognized until the turn of the 20th century . Its rediscovery prompted the foundation of the discipline of genetics. Hybrid cross: The first meaning is the result of interbreeding between two animals or plants of different taxa . Hybrids between different species within the same genus are sometimes known as interspecific hybrids or crosses. Incomplete dominance: lavender (big P with a little p) Complete dominance: two big Ps (totally purple) Hybrid vigor:  describes the increased strength of different characteristics in hybrids ; the possibility to obtain a "better" individual by combining the virtues of its parents Genotype: type of gene. Phenotype: appearance Chromosomes: Chromosomes are organized structures of DNA and proteins that are found in cells . Determine appearance of plant. Central dogma of genetics: 'once information gets into protein, it can't flow back to nucleic acid the result of a hybrid cross can not result in one of the original plants. DNA:  contains the genetic instructions used in the development and functioning of all known living organisms . Alleles:
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This note was uploaded on 04/14/2008 for the course HORT 1401 taught by Professor Stevens during the Spring '08 term at Texas Tech.

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Spring 2008 001 Exam 2 Review - Spring 2008 PSS 1411 001...

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