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chapter 11 s 1

vocabulary words

QuestionAnswer
Genetics The scientific study of heredity.
Heredity it holds the key to understanding what makes each species unique.
true-breeding organisms that produce offspring identical to themselves if allowed to self-pollinate.
trait a specific characteristic that veries from one indevidual to another.
hybrids the offspring of crosses between parents with different traits.
Genes chemical factors that determine a trait.
alleles The different forms of a gene.
Principle of Dominance some alleles are dominant and others are recessive.
Dominant trait a particular form of a trait will always exhibit that form of the trait.
Recessive trait a prticular form of a trait will exhibit that form only when the dominant allele is not present.
Principle of Segregation each plant produces two types of gametes, with the allele for tallness and with the allele for shortness.
Gametes specialized cell involved in sexual reeproduction.
Created by: MSeise
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