Question:
A Punnett square is used for which of the following?
A Punnett square is used for which of the following?
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It is the allele-combining grid from genetics, used to predict a cross.
Updated On: Jun 24, 2026
- Finding the genotype of offspring
- Statistical analysis
- Anatomical surface area of the human body
- Diseased and non-diseased individuals
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The Correct Option is A
Solution and Explanation
Step 1: Recall what a Punnett square is. It is a grid devised by Reginald Punnett that lays out the gametes of two parents along the rows and columns.
Step 2: Understand its use. By combining the possible alleles in each box, it predicts every possible genotype of the offspring and the ratio in which each will occur.
Step 3: Apply it. For a monohybrid cross it predicts the classic genotypic and phenotypic ratios, making it the standard tool for forecasting inheritance patterns.
Step 4: Reject the others. It is not a statistical test, it has nothing to do with body surface area (which uses formulae such as the Du Bois or Mosteller equations), and it does not classify diseased versus non-diseased individuals.
Step 5: Conclude. A Punnett square is used to determine the genotype of offspring.
Step 2: Understand its use. By combining the possible alleles in each box, it predicts every possible genotype of the offspring and the ratio in which each will occur.
Step 3: Apply it. For a monohybrid cross it predicts the classic genotypic and phenotypic ratios, making it the standard tool for forecasting inheritance patterns.
Step 4: Reject the others. It is not a statistical test, it has nothing to do with body surface area (which uses formulae such as the Du Bois or Mosteller equations), and it does not classify diseased versus non-diseased individuals.
Step 5: Conclude. A Punnett square is used to determine the genotype of offspring.
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