Solve the problem, rounding the answer as appropriate. Assume that "pure dominant" describes one who has twodominant genes for a given trait; "pure recessive" describes one who has two recessive genes for a given trait; and"hybrid" describes one who has one of each.
-Two hybrids produce a litter of four offspring. What is the probability that only the first one is pure recessive?
A).004
B) .105
C) .225
D) .422

Question

Quizplus · Accepted Answer

The probability of a hybrid producing a pure recessive offspring is 1/4. The probability of the first being pure recessive and the others not is (1/4) * (3/4)^3 = 0.105.

Solve the Problem, Rounding the Answer as Appropriate