Lecture+17 - Lectures 17 Mendel in a nutshell: Mendel chose...

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Lectures 17 Mendel in a nutshell: Mendel chose pea plants for his breeding experiments for several reasons. Pea plants usually ____________, but you can chop off the stamens from the plants and use pollen from a different plant to use to fertilize the plants you are breeding. See Figure 14.1 Then you can control the crosses. Also, if you use plants that have self-fertilized for many generations, they will breed true, because they have become ____________. Another reason is that the pods have a lot of progeny (peas). Also the characteristics he studied (reported anyway) were complete _____________ traits. Purple flower color (allele P) is always dominant to white (allele p), yellow peas (allele Y) are dominant to green (allele y), round (allele ______) is dominant to wrinkled (allele ______, ) etc. Alleles are just different versions of the same gene. The parental cross (first cross when he used pollen from his study plants to pollinate his control plants) gave him all plants with the _________characteristic (F1).
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Lecture+17 - Lectures 17 Mendel in a nutshell: Mendel chose...

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