B2.7 Keywords

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  • Created by: I BB
  • Created on: 03-06-16 17:00
DNA
Deoxyribo nucleic acid, nuclei acid molecules that contain genetic information and make up chromosomes
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Homozygous
An individual who carries two copies of the same allele
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Heterozygous
An individual who carries two different copies of the allele
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Genotype
The combination of alleles an individual has for a particular gene
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Phenotype
The expression of the genotype
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Recessive allele
an allele that will only be expressed if there are two present; represented by a lower case letter
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Dominant allele
An allele that only needs to be present once in order to be expressed; represented by a capital letter
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Allele
An alternative form of a particular gene
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Gene
A section of DNA
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Chromosome
Long molecule found in the nucleus of all cells; made from DNA
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Gametes
Specialised sex cells formed by meiosis
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Diploid cell
A cell that contains two sets of chromosomes.
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Haploid cell
A sex cell (gamete) that contains one set of chromosomes
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Diploid cell
A cell that contains two sets of chromosomes.
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Haploid cell
A sex cell (gamete) that contains one set of chromosomes
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Other cards in this set

Card 2

Front

An individual who carries two copies of the same allele

Back

Homozygous

Card 3

Front

An individual who carries two different copies of the allele

Back

Preview of the back of card 3

Card 4

Front

The combination of alleles an individual has for a particular gene

Back

Preview of the back of card 4

Card 5

Front

The expression of the genotype

Back

Preview of the back of card 5
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