Meiosis and Variation Definitions

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Allele
An allele is a version of a gene
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Locus
The locus is the position of a specific gene on a chromosome
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Phenotype
The phenotype is the observable characteristics of an organism
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Genotype
Genotype describes the particular alleles present on a chromosome for a specific trait/characteristic
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Dominant
Dominant describes a characteristic which will be displayed in the phenotype when only one allele is present
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Codominant
Codominant describes a characteristic where both alleles contribute to the phenotype
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Linkage
Different alleles for different characteristics which are present at different loci on the same chromosomes are linked
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Crossing Over
Crossing Over occurs when non-sister chromatids exchange genetic information in Prophase I of meiosis
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Card 2

Front

The locus is the position of a specific gene on a chromosome

Back

Locus

Card 3

Front

The phenotype is the observable characteristics of an organism

Back

Preview of the back of card 3

Card 4

Front

Genotype describes the particular alleles present on a chromosome for a specific trait/characteristic

Back

Preview of the back of card 4

Card 5

Front

Dominant describes a characteristic which will be displayed in the phenotype when only one allele is present

Back

Preview of the back of card 5
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