Mule is produced by a cross between

Options

A. a mare and a donkey
B. a female donkey and a male horse
C. a male and a female donkey
D. a male and a female horse.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the parent species that produce a mule through crossbreeding.

2. **Identifying the Parent Species**: A mule is specifically produced by crossing a male donkey (jack) with a female horse (mare).

3. **Clarifying the Hybridization Process**: This process is known as hybridization, where two different species are crossed to produce a hybrid offspring.

4. **Conclusion**: Therefore, the correct answer to the question is that a mule is produced by a cross between a male donkey and a female horse.

5. **Final Answer**: The correct answer is: A mule is produced by a cross between a mare (female horse) and a donkey (male donkey).

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