Genetics11-1 - Genetics Chapter 11-1 The Science of...

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Genetics Chapter 11-1
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The Science of Heredity The scientific study of heredity is called GENETICS
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Gregor Mendel Pea Plant Experiment Gregor Mendel chose pea plants to conduct genetic experiments because of their plant life special properties. For example: When pollen fertilizes an egg cell, a seed for a new plant is formed. Pea plants normally reproduce by self-pollination.
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Gregor Mendel Pea Plant Experiment What does it mean when pea plants are described as being true- breeding? If the plants are allowed to self- pollinate, they would produce offspring identical to themselves.
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Gregor Mendel Pea Plant Experiment To perform his experiments, how did Mendel prevent pea flowers from self-pollinating and control their cross-pollination? He cut away the pollen-bearing male parts of a flower and dusted that flower with pollen from another plant.
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Gregor Mendel Pea Plant Experiment Traits - Specific characteristics that vary from one individual to another Hybrids -The offspring of crosses between parents with different traits Genes - Chemical factors that determine traits Alleles - The different forms of a gene
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Alleles State the principle of dominance. Some alleles are dominant and others are recessive.
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Alleles An organism with a recessive allele for a particular form of a trait will NOT always exhibit that form.
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Characteristics of Traits In Mendel’s Pea experiment traits controlled by dominant alleles were tall plants and the yellow flowering traits.
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This note was uploaded on 11/19/2011 for the course BIOLOGY 101 taught by Professor Mr.wallace during the Fall '11 term at Montgomery College.

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Genetics11-1 - Genetics Chapter 11-1 The Science of...

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