Multiple Choice
Colchicine is an alkaloid derived from plants.What is its effect on chromosome behavior?
A) By blocking DNA replication,chromosomes fail to migrate to the poles at anaphase; thus,homologous chromosomes end up in the same nucleus.
B) By blocking DNA replication,chromosomes do not undergo meiosis II and instead half the gametes are empty.
C) By blocking DNA replication,chromosomes do not undergo meiosis I and instead all gametes suffer from aneuploidy.
D) By interfering with spindle formation,replicated chromosomes fail to migrate to the poles at anaphase; thus,sister chromatids end up in the same nucleus.
E) By interfering with spindle formation,replicated chromosomes fail to migrate to the poles at anaphase; thus,homologous chromosomes end up in the same nucleus.
Correct Answer:
Verified
Correct Answer:
Verified
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