HESI A2 Practice Test & Study Guide
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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%
Rationale
Submit your answer to see the rationale