Multifactorial inheritance is most likely to play a role in
Correct Answer: Cleft lip
Description: Cleft lip and cleft palate, also known as orofacial cleft, is a group of conditions that includes cleft lip (CL), cleft palate (CP), and both together (CLP).] A cleft lip contains an opening in the upper lip that may extend into the nose. The opening may be on one side, both sides, or in the middle. A cleft palate is when the roof of the mouth contains an opening into the nose. These disorders can result in feeding problems, speech problems, hearing problems, and frequent ear infections. Less than half the time the condition is associated with other disordersMultifacorial inheritance is the type of inheritance followed by traits that are determined by multiple factors both environmental and genetic. Environmental factors interact with many genes to generate a normally distributed susceptibiity.Some diseases for example myocardial infarction, congenital bih defects, cancer, diabetes, mental illnesses and Alzheimer diseases cause along with morbidity, premature moality in two out of three individuals during their lifetime. Many show clustering among families. However their inheritance pattern does not follow that of single gene disorders (Mendelian pattern of inheritance). These kind of diseases are thought to result from complex interactions between genetic and environmental factors, i.e. multifactorial inheritance pattern.
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