Which of the following statements concerning Down syndrome is FALSE?
A) Down syndrome involves nondisjunction.
B) Down syndrome individuals have 47 chromosomes per somatic cell.
C) Down syndrome incidence increases with increasing material age.
D) Down syndrome individuals have an extra chromosome 22.
E) Down syndrome is variable in expression.
Correct Answer:
Verified
Q5: Persons having an XO karyotype are sterile
Q16: Down syndrome is an example of a
Q17: Colchicine is a drug that:
A) arrests cells
Q20: The normal human karyotype contains _ autosomes.
A)
Q22: Which of the following are inborn errors
Q26: Persons having an XXY karyotype are nearly
Q27: A karyotype reveals that an individual is
Q29: Which of the following abnormalities is most
Q33: In a chromosomal inversion, a segment of
Q45: Why are most infants with phenylketonuria usually
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents