Organisms that have two identical alleles for a particular trait are said to be a. hybrid b. heterozygous c. homozygous d. dominant

Step 1: Define the Problem

Identify the term used to describe organisms with two identical alleles for a particular trait.

Step 2: Break Down the Problem

• Understand the definitions of the given options:
  • Hybrid
  • Heterozygous
  • Homozygous
  • Dominant

Step 3: Apply Relevant Concepts

• Hybrid: Typically refers to an organism with two different alleles for a trait.
• Heterozygous: Means having two different alleles for a particular gene.
• Homozygous: Means having two identical alleles for a particular gene.
• Dominant: Refers to an allele that expresses its phenotype even in the presence of a recessive allele.

Step 4: Analysis, Verify and Summarize

• The term that describes organisms with two identical alleles for a trait is "homozygous."

Final Answer

c. homozygous