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Is alkaptonuria caused by a dominant allele or by a recessive allele?
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12. Meiosis
Genes & Alleles
Multiple Choice
How is a dominant trait typically represented in genetics?
A
By an uppercase letter
B
By a number
C
By a symbol
D
By a lowercase letter
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In genetics, traits are represented by alleles, which are different forms of a gene.
Alleles can be dominant or recessive. A dominant allele is one that expresses its trait even if only one copy is present.
To represent alleles, geneticists use letters. A dominant trait is typically represented by an uppercase letter.
For example, if 'A' represents a dominant allele for a trait, then 'a' would represent the recessive allele for the same trait.
This convention helps in understanding and predicting the inheritance patterns of traits in organisms.
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