Beckwith-Wiedemann syndrome (BWS) is caused by
A) abnormal genetic imprinting of two small clusters of genes on chromosome 11.
B) mutations in several genes on chromosome 11.
C) expression of only the maternal copies of all of the genes on chromosome 11.
D) expression of only the paternal copies of all of the genes on chromosome 11.
E) damage to chromosome 11 due to radiation exposure.
Correct Answer:
Verified
Q23: Some mutations can provide an advantage to
Q24: Mutations only occur in body cells.
Q25: Mutations are changes in DNA sequence.
Q26: Epigenetic changes
A) results in unstable phenotypes.
B) requires
Q27: Epigenetics is the study of DNA mutations.
Q29: The main source of radiation exposure for
Q30: Base insertions usually lead to frameshift mutations.
Q31: The radiation doses that most people are
Q32: Gene promoters that are tightly wound around
Q33: An average American undergoes a full-body CAT
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