QuestionSBA
QuestionChoice
Correct. In Prader Willi syndrome, only the maternally inherited version is expressed.
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a
Only one copy of the gene is expressed
QuestionChoice
Incorrect, this describes X linked inheritance.
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b
The genetic varient is found on the X chromosome
QuestionChoice
Incorrect, this describes epigenetic changes
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e
Environmental factors causing alterations in the way the body reads DNA
QuestionChoice
Incorrect, this describes autosomal inheritance
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c
Inheritance of one autosome from each parent, expressing a mixture of the two
QuestionChoice
Incorrect, this describes genetic mosaicism
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d
A selection of the gametes carry the mutation, but the remainder are normal
Concept
Chapter
2693
4098
Prader Willi Syndrome
Topic
153
Paediatrics
13142
A 4 year old child presents to the GP with learning difficulties. They are found to also have a short stature and suffer with poor feeding. They are subsequently diagnosed with prader willi syndrome.

This condition is inherited via genomic imprinting, which of the following best describes this inheritance method?
a