Genetics Keywords

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  • Created by: Abc12345
  • Created on: 24-11-15 10:23
Gene
A specific sequence of nucleotide bases within DNA that codes for the synthesis of a particular polypeptide
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Allele
One of the forms of a gene which occupies a specific locus on a chromosome
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Recessive
An allele that in a diploid organism is only expressed in the phenotype when two copies are present
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Dominant
An allele that when present in an organism is always expressed in the pheonotype
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Codominant
A pair of alleles that when present in the genotype of an organism are both expressed in the phenotype
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Genotype
The genetic composition of an organism - the alleles that an organism inherits
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Phenotype
The observable characteristics of an organism resulting from the interaction between its genes and the environment
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Homozygous
In a diploid organism having two identical alleles for a particular gene
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Heterozygous
In a diploid organism, having two different alleles for a particular gene
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Monohybrid cross
A genetic cross (breeding experiment) between individuals who have different alleles at one genetic locus of interest
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Locus
The specific position that a particular gene occupies on a chromosome
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Other cards in this set

Card 2

Front

One of the forms of a gene which occupies a specific locus on a chromosome

Back

Allele

Card 3

Front

An allele that in a diploid organism is only expressed in the phenotype when two copies are present

Back

Preview of the back of card 3

Card 4

Front

An allele that when present in an organism is always expressed in the pheonotype

Back

Preview of the back of card 4

Card 5

Front

A pair of alleles that when present in the genotype of an organism are both expressed in the phenotype

Back

Preview of the back of card 5
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