wk 4 CP Mendels on PAtterns of Inheritance

Wk 4 CP Mendels on - He proved that while there are several different combinations a “trait” can have it is the placement of the dominant gene

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Gregor Mendels approach to answering scientific questions were in fact his own and unique. As a child he grew up in the world of Horticulture and in his spare time reading Darwin’s theories of hereditary and all things Science. As a Priest in the monastery he decided he would take the approach of using Pea Pods to establish a hereditary lineage between generations of future Pea Pods and the possibly of genetic traits passed down from parent to child. Pea Pods are used in Mendels experiments because of the easy manipulation during fertilization and visible outcome when growth is obtained. He focused on a specific 7 traits and used those as his basic foundation for hereditary differences passed on to offspring. These are the only traits he monitored. This I believe was one of his advantage points: you can visibly see the genetic differences of the pea pods at full growth. The dominant vs. recessive gene is one factor of Mendels study.
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Unformatted text preview: He proved that while there are several different combinations a “trait” can have it is the placement of the dominant gene in a biological makeup that determines what “trait” will be seen in it’s offspring. During his studies he also concluded that the gamate of each pair of alleles only passes on one of the alleles, making offspring male or female. He coined phrases like heterozygous meaning there is a pair of alleles but each is different; one from each parent, also homozygous which is “the same” allele from each parent passed on to its offspring. He also came to the conclusion that traits can lay dormant in offspring only to become visible in a future generation if the other partner carries the same gene in their makeup. This is where the Punnett Square (or inheritance table) can be used, determining percentages or possible outcomes if paternal and maternal traits were known....
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This note was uploaded on 11/14/2010 for the course BIO 100 BIO/100 taught by Professor Ray during the Spring '09 term at University of Phoenix.

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