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).