MP Board · Class 10 · Science · HeredityIf a homozygous recessive individual (aa) is crossed with a heterozygous individual (Aa), what proportion of the offspring will be heterozygous?
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Step-by-Step Solution
Answer: 50 % of the offspring will be heterozygous (Aa).
Explanation: The Punnett square shows two possible genotypes: 1 aa and 1 Aa. Hence, half (2 out of 4) are Aa.
Detailed Options Breakdown
Option : 25 %
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity.
Option 1: 50 % (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: 75 %
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity.
Option 3: 100 %
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Heredity.
💡 Study Guide: This question tests core syllabus concepts from Heredity. For formulas, key summaries, and mock exam reference guides, read the full Heredity Revision Notes.