Within one chromosome, what is the relationship between the sequence of bases in
DNA of one sister chromatid compared to the other? -Correct Answer ✔-the sequences
are identical.
DNA replication occurs? -Correct Answer ✔-in the S phase of interphase.
_______ occurs during interphase? -Correct Answer ✔-Cell growth and duplication of
the chromosomes.
_______is the phase during mitosis in which the mitotic spindle begins to form? -Correct
Answer ✔-prophase.
During which phase of mitosis do the chromosomes line up on a plane equidistant from
the two spindle poles? -Correct Answer ✔-metaphase.
During which stage of mitosis does the nuclear envelope begin to form? -Correct Answer
✔-telophase.
When animal cells are grown in a petri dish, they typically stop dividing once they have
formed a single, unbroken layer on the bottom of the dish. This arrest of division is an
example of? -Correct Answer ✔-density-dependent inhibition.
Two chromosomes in a nucleus that carry genes controlling the same inherited
characteristics are called? -Correct Answer ✔-homologous chromosomes