Is aa heterozygous or homozygous?
Understand the Problem
The question is asking about the genetic makeup of an individual with the genotype 'aa'. This refers to whether this individual has two identical alleles (homozygous) or two different alleles (heterozygous) for a particular gene. Since 'aa' indicates two identical 'a' alleles, the answer is that the individual is homozygous.
Answer
homozygous
The final answer is homozygous
Answer for screen readers
The final answer is homozygous
More Information
In genetics, homozygous refers to having two identical alleles for a particular gene. 'aa' means both alleles are the same.
Tips
A common mistake is confusing heterozygous (having two different alleles, like 'Aa') with homozygous.
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