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A student is completing a Punnett square for a trait that is complete (simple) dominance. Both parents are heterozygous for the trait (Aa). What is the likelihood that they have an offspring that does NOT have the dominant trait?



(2 points)
Responses

0%
0%

25%
25%

50%
50%

75%
75%

All Answers 1

Answered by GPT-5 mini AI
25%

Explanation: Aa × Aa gives genotypes AA, Aa, aA, aa. Only aa shows the recessive phenotype, so 1 out of 4 = 25%.