Question

In order for meiosis to create four, genetically different gametes, DNA replication must occur. Which of these best describes when DNA replication would occur during meiosis?
A) prior to meiosis I
B) prior to meiosis II
C) prophase I in meiosis I
D) prior to meiosis I and meiosis II

Answer 1

DNA replication would likely occur prior to meiosis I. It is because the phenomenon usually happens during the interphase wherein it does not usually happen in meiosis II. By definition, a DNA replication takes place when DNA replicas are identically produced from a parent DNA molecule.

Answer 2

Meiosis is a cell division that results in the formation of haploid cells. The DNA replication will be prior to the meiosis I step of the cell cycle.

What is DNA replication and meiosis?

DNA replication is the process of DNA duplication that results in the formation of the two daughter DNA. It is the process of the central dogma that occurs in the interphase of the cell cycle.

Meiosis is the cell division step that involves the formation of the two daughter cells that have half the number of chromosomes than that of the parent cells.

The ploidy is haploidy and is generally takes place in the germinal cells of the reproductive system.

Therefore, option A) DNA replication occurs before meiosis I.

Learn more about meiosis I here:

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