Chapter 14 - Chapter14 MendelandtheGeneIdea LectureOutline

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Chapter 14 Mendel and the Gene Idea Lecture Outline Overview: Drawing from the Deck of Genes Every day we observe heritable variations (such as brown, green, or blue eyes) among individuals in a population. These traits are transmitted from parents to offspring. One possible explanation for heredity is a “blending” hypothesis. o This hypothesis proposes that genetic material contributed by each parent mixes in a manner analogous to the  way blue and yellow paints blend to make green. o With blending inheritance, a freely mating population would eventually give rise to a uniform population of  individuals. o Everyday observations and the results of breeding experiments tell us that heritable traits do not blend to become  uniform. An alternative hypothesis, “particulate” inheritance, proposes that parents pass on discrete heritable units, genes,  that retain their
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This note was uploaded on 01/04/2012 for the course BSC BSC1005 taught by Professor Orlando,rebecca during the Fall '10 term at Broward College.

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Chapter 14 - Chapter14 MendelandtheGeneIdea LectureOutline

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