Look carefully at the image of the human karyotype shown in Figure 11.3. What is the significance of the small differences between homologous chromosomes?
A. Each homologous chromosome in a pair is
from a different parent.
B. Some of this person's DNA is mutated,
possibly causing disease.
C. Chromosomes may not be completely
replicated during S phase.
D. The differences are a result of the way the
material was prepared.
A
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