Question

which term describes an organism that has identical alleles for a trait?
○ homozygous
○ heterozygous
○ dominant
○ recessive

Explanation:

To solve this, we analyze each term:

• Homozygous: Defined as having identical alleles for a trait (e.g., \( AA \) or \( aa \)).
• Heterozygous: Has different alleles (e.g., \( Aa \)), so this is incorrect.
• Dominant: Refers to an allele that masks another, not about identical alleles.
• Recessive: An allele masked by dominant, not about identical alleles.

So the term for identical alleles is homozygous.

Answer:

A. homozygous