When writing genotypes, such as 'Aa', what does an upper case letter mean?
An upper case letter means that that allele is dominant.
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When writing genotypes, such as 'Aa', what does a lower case letter mean?
A lower case letter means that that allele is recessive.
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What does in mean for an individual to be 'homozygous' for a gene?
Both of their alleles for that gene are the same.
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What does in mean for an individual to be 'heterozygous' for a gene?
They have two different alleles for that gene.
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What is a punnet square diagram?
A Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
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What does it mean for an individual to be 'homozygous dominant' for a gene?
They have two dominant alleles for that gene.
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What does it mean for an individual to be 'homozygous recessive' for a gene?
They have two recessive alleles for that gene.
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