This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics, Subject name: Pathology
Which among the following subtypes of Osteogenesis imperfecta is not associated with blue sclera? 
Select and explain. 
A. Type I, B. Type II, C. Type III, D. Type IV
D: Type IV
Answer: D: Type IV 
Explanation: Ans. (d) Type IV(Ref: Robbins 9th/pg 140; 8th/pg 140)Classification of Osteogenesis Imperfecta (OI)TypeBone FragilityBlue ScleraAbnormal DentitionHearing LossInheritanceIMildPresentPresent in somePresent in mostADIIExtremePresentPresent in someUnknownS, rarely ARIIISevereBluish at birthPresent in someHigh incidenceAD, rarely ARIVVariableAbsentAbsent in IVA, present in IVBHigh incidenceADVModerate to severeAbsentAbsent ADVIModerate to severeAbsentAbsent UnknownVIIModerateAbsentAbsentAbsentAR