alleryTurner's syndrome in human females is caused by:
AAbsence of one X chromosome (45, X)
BTrisomy of the X chromosome (47, XXX)
CTrisomy of chromosome 18
DTranslocation of chromosome 21
Answer & Solution
Correct answer: A. Absence of one X chromosome (45, X)
Turner's syndrome results from the loss of one X, giving a 45, X karyotype.
Such females are sterile with rudimentary ovaries and lack secondary sexual characters.
Keep practising Unit 5B: Mendelian Genetics & Inheritance
Browse all Unit 5B: Mendelian Genetics & Inheritance questions for AP Biology, or explore more Biology topics.
Related questions
Which one does not belong?Complete the monohybrid resultTrue or false: Mendel's peasDo the Mendel arithmeticSort each genotypeMatch each genetics term to its meaningMendel deduced that each parent in a monohybrid cross contributes:Mendel's 1865 publication reported crosses involving how many characteristics?