Respuesta :
From prophase through metaphase of mitosis, each chromosome has 2 DNA molecule(s), while from anaphase through telophase of mitosis, each chromosome has one DNA molecule.
Explanation:
Mitosis is a process in which 2 identical daughter cells are formed in which DNA gets split into two sets of chromosome.
Mitosis occurs in four phases: Prophase, metaphase, Anaphase and Telophase.
After the G2 phase the DNA amount increases and get ready for the division here sister chromatid are seen not chromosome.
In metaphase the chromosome align at the equatorial plate and readied to separate the sister chromatids easily. Each chromatid contains 1 DNA molecule, in this phase two sister chromatids are there so 2 molecules of DNA are present.
In Anaphase the sister chromatids are pulled towards the opposite ends. Each cell receives one chromatid which is now 2 chromosmes. So one chromatid will have one DNA molecule.
From prophase through metaphase of mitosis, each chromosome has TWO DNA molecules, while from anaphase through telophase of mitosis, each chromosome has ONE DNA molecule.
- Mitosis is a type of cell division by which a cell divides to produce two genetically identical daughter cells.
- Mitosis has several stages: prophase, metaphase, anaphase, telophase and cytokinesis.
- During metaphase, each chromosome contains two identical molecules of double-stranded DNA (i.e., a pair of chromatids).
- During anaphase, these chromatids separate and travel to opposite poles of the cell.
In conclusion, from prophase through metaphase of mitosis, each chromosome has TWO DNA molecules, while from anaphase through telophase of mitosis, each chromosome has ONE DNA molecule.
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