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Chapter 9 Vocabulary
Chapter 9 Vocabulary
11
Biology
10th Grade
04/08/2013

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Term
Heredity
Definition
Characteristics passed from parents to offspring.
Term
Genetics
Definition
Type of bilogy that studies heredity.
Term
Trait
Definition
A characteristic that is inherited.
Term
Allele
Definition
Different gene forms.
Term
Dominant
Definition
The stronger allele for a trait which takes over whenever it is there.
Term
Recessive
Definition
The weaker allele for a trait which disappears when the other allele is there.
Term
Phenotype
Definition
The way an organism looks and behaves.
Term
Genotype
Definition
The allele combination for an organism.
Term
Homozygous
Definition
The 2 alleles for a trait are the same.
Term
Heterozygous
Definition
The 2 alleles for a trait are different.
Term
Punnet Square
Definition
Uses parents' genotypes to predict genotypes of the offpsping.
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