Biology
Grade-10
Easy
Question
In Igf2 gene in mice, only ______________ allele is expressed.
Maternal
Paternal
Both
None of the above
Maternal
Paternal
Both
None of the above
Hint:
Paternal
The correct answer is: Paternal
Igf2 is a growth factor expressed in most normal tissues, solely from the paternal allele.
Igf2 protein is a growth factor particularly important during pregnancy, where it promotes both foetal and placental growth and also nutrient transfer from mother to offspring via the placenta.
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