HESI A2 Exam Prep 2026

Real HESI A2 Questions.
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Practice with exam-accurate HESI A2 questions that match the real test in format, difficulty, and logic. Trusted by students accepted into nursing programs across the United States.

8
Exam Sections
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Typical Pass Score
~5hr
Total Test Time
95%
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About Genetics

In a heterozygous (Aa × Aa) monohybrid cross, there's a 25% chance of producing offspring with the recessive phenotype (aa). Learn how Punnett squares predict this outcome.

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Genetics HESI A2 Practice Questions

Free Genetics practice questions for the HESI A2 exam with detailed rationales.

Question 1 of 2

In a monohybrid cross between two heterozygous parents (Aa x Aa), what is the probability of producing an offspring with the recessive phenotype?
50%
75%
100%
25%