Which features of mitosis help to maintain the genetic composition of the cell? 1 the longitudinal division of the centromeres 2 the DNA of the parent cells replicates before mitosis begins 3 the pulling apart of the chromatids to opposite poles
A.
B.
C.
D.
Exam No：9700_s25_qp_14 Year：2025 Question No：23
Answer:
A
Knowledge points:
5.2.1 describe the behaviour of chromosomes in plant and animal cells during the mitotic cell cycle and the associated behaviour of the nuclear envelope, the cell surface membrane and the spindle (names of the main stages of mitosis are expected: prophase, metaphase, anaphase and telophase)
5.2.2 interpret photomicrographs, diagrams and microscope slides of cells in different stages of the mitotic cell cycle and identify the main stages of mitosis
Solution:
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