Multiple Choice
The parents-to-be were shocked when an ultrasound scan done in the second trimester of the pregnancy showed a fetus with obviously broken leg bones and ribs.The doctor diagnosed osteogenesis imperfecta.This is caused by a mutation in a gene that encodes
A) beta globin.
B) a clotting factor.
C) myosin.
D) collagen.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The spontaneous mutation rate for autosomal genes
Q3: A point mutation alters<br>A)a single base.<br>B)a chromosome
Q4: Different disease phenotypes caused by mutations in
Q5: Estimates of spontaneous mutation rates are made
Q6: The fact that myotonic dystrophy worsens with
Q7: Allelic disorders may result from mutations in
Q8: A researcher might use site-directed mutagenesis because<br>A)spontaneous
Q9: A source of gamma radiation is<br>A)plutonium and
Q10: Fragile X syndrome is caused by a(n)<br>A)deletion.<br>B)translocation.<br>C)expanding
Q11: A tautomer is<br>A)a mutagen.<br>B)an RNA base.<br>C)an alternate