Question

Meiosis 2 resembles mitosis because it involves the movement of:

Answer 1

Meiosis II is analogous to a mitotic division, with duplicated chromosomes dividing and moving to opposite poles of the cell. The presence of crossovers creates genetic variation in the resulting cells.

Step-by-step explanation:

Meiosis II is much more analogous to a mitotic division. In this case, the duplicated chromosomes (only one set of them) line up on the metaphase plate with divided kinetochores attached to kinetochore fibers from opposite poles.

During anaphase II, as in mitotic anaphase, the kinetochores divide and one sister chromatid-now referred to as a chromosome-is pulled to one pole while the other sister chromatid is pulled to the other pole.

If it were not for the fact that there had been crossover, the two products of each individual meiosis II division would be identical (like in mitosis).

Instead, they are different because there has always been at least one crossover per chromosome. Meiosis II is not a reduction division because although there are fewer copies of the genome in the resulting cells, there is still one set of chromosomes, as there was at the end of meiosis I.

Answer 2

Meiosis II resembles mitosis in terms of the movement of chromosomes.

Step-by-step explanation:

In both meiosis II and mitosis, the movement of chromosomes occurs in a similar manner:

Alignment at the equator: During meiosis II and mitosis, after the first round of division (meiosis I in meiosis and mitosis in mitosis), the cells proceed to a second phase. In this phase, the chromosomes align themselves along the equator of the cell.

Separation: Once aligned, the chromosomes are pulled apart by the spindle fibers towards opposite poles of the cell. This separation ensures that each daughter cell receives a complete set of chromosomes.

Formation of daughter cells: The process culminates with the chromosomes arriving at the opposite poles and the cell membrane dividing, leading to the formation of two daughter cells in mitosis and four in meiosis II.

This movement of chromosomes in meiosis II mirrors that of mitosis, ensuring the proper distribution of genetic material among the resulting daughter cells, aiding in maintaining the correct chromosome number in each cell.