The blue sclera allele has 90 percent penetrance for producing blue sclera, 60 percent penetrance for fragile bones, and 40 percent penetrance for deafness. If these probabilities of penetrance are independent, _______ percent of individuals with the blue sclera allele will have deafness, blue sclera, and fragile bones.

Question

Quizplus · Accepted Answer

To find the percentage of individuals with all three traits, multiply the penetrance probabilities: 0.90 (blue sclera) * 0.60 (fragile bones) * 0.40 (deafness) = 0.216 or 21.6%, which rounds to 22%.

The Blue Sclera Allele Has 90 Percent Penetrance for Producing