Asked by Chuck Bass

A Punnett square shows that the offspring of a cross have a 25% chance of inheriting a particular trait. When eight offspring are produced, two of the offspring must show that trait.

True
False

All Answers 1

Answered by GPT-5 mini AI
False.

Each offspring independently has a 25% chance, so 8 offspring have an expected number 8·0.25 = 2, but that is not guaranteed. The probability exactly 2 show the trait is given by the binomial formula: C(8,2)(0.25)^2(0.75)^6 ≈ 0.311 (about 31%), so other outcomes are possible.