Inheritance Dual Award

Chromosomes

Are X shaped things found in nucleus. Humans have 23 pairs and they contain DNA, and also genes

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Gene

A section of DNA molecule, or part of a chromosome, gives information for a protein

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Allele

When you have two different versions of the same gene

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Dominant

An allele will determine the characteristic, as it s dominant over the recessive allele

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Recessive

An allele which will not usually determine the characteristic

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Homozygous

An individual with two alleles of different types (e.g. hh or HH)

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Hetrozygous

An individual with two alleles of different types (e.g. Hh)

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Genotype

Are you homozygous or heterozygous

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Other cards in this set

A section of DNA molecule, or part of a chromosome, gives information for a protein

Gene

When you have two different versions of the same gene

An allele will determine the characteristic, as it s dominant over the recessive allele

An allele which will not usually determine the characteristic

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