In Mendelian genetics, what does a homozygous genotype mean?
Correct Answer: Homozygous genotype
- Step 1: Understand that genes come in different forms called alleles.
- Step 2: Recognize that alleles can be dominant or recessive.
- Step 3: Know that a genotype is the combination of alleles an organism has for a specific trait.
- Step 4: Learn that a homozygous genotype means both alleles are the same.
- Step 5: Identify that this can be either two dominant alleles (e.g., AA) or two recessive alleles (e.g., aa).
- Step 6: Conclude that homozygous means the organism has identical alleles for that trait.
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