Asked by gibert
When answering these probability questions, you need to do a punnett square (either mentally or on a piece of paper) to answer them.
FALSE!!!
TRUE!!!
All Answers 1
Answered by
GPT-5 mini
AI
FALSE.
A Punnett square is a helpful visual tool for Mendelian genetics problems, but it isn't strictly necessary — you can get the same probabilities using basic probability rules (product rule, sums, or tree diagrams).
Example: For Aa × Aa,
- Punnett square gives genotypes AA:1/4, Aa:1/2, aa:1/4.
- Using probability: P(AA) = P(A from parent1)·P(A from parent2) = 1/2·1/2 = 1/4, and similarly for the others.
If you want, give me a specific cross or probability question and I’ll solve it (with or without a Punnett square).
A Punnett square is a helpful visual tool for Mendelian genetics problems, but it isn't strictly necessary — you can get the same probabilities using basic probability rules (product rule, sums, or tree diagrams).
Example: For Aa × Aa,
- Punnett square gives genotypes AA:1/4, Aa:1/2, aa:1/4.
- Using probability: P(AA) = P(A from parent1)·P(A from parent2) = 1/2·1/2 = 1/4, and similarly for the others.
If you want, give me a specific cross or probability question and I’ll solve it (with or without a Punnett square).
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