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Which period are chromosomes duplicated in?

Chromosomes are duplicated during the S phase of the cell cycle, which occurs during interphase. This is when DNA replication takes place to ensure that each daughter cell receives a complete set of chromosomes during cell division.


What happens to chromosomes and chromatin during each stage of mitosis?

IDK LOL at least i answered actualy i do when that happens u get pimples the size of a centimeter then to calculate it u must find what pie equals athen do this format. 12x(B to the second power times 4) subtract 923 :P good luck hehe...


Could crossing over occur during second meiotic division?

No, crossing over occurs during the first meiotic division when homologous chromosomes exchange genetic material. In the second meiotic division, the chromatids of each chromosome separate, resulting in the formation of haploid daughter cells.


What phase of mitosis is the short second phase?

The short second phase of mitosis is called the metaphase. During metaphase, the duplicated chromosomes align and attach to the spindle fibers at the center of the cell. This alignment ensures that during the following phase, anaphase, each daughter cell receives an equal number of chromosomes.


What is a failure of homologous chromosomes to separate in meiosis?

A failure of homologous chromosomes to separate in meiosis is called nondisjunction. This can result in cells with an abnormal number of chromosomes, leading to genetic disorders such as Down syndrome. Nondisjunction can occur during either the first or second division of meiosis.

Related Questions

Which period are chromosomes duplicated in?

Chromosomes are duplicated during the S phase of the cell cycle, which occurs during interphase. This is when DNA replication takes place to ensure that each daughter cell receives a complete set of chromosomes during cell division.


What phase of mitosis do the chromosomes replicate?

Strictly speaking, the chromosomes are not copied during mitosis but already before cell division takes place. This phase is called INTERPHASE and is again divided into three phases, G1 (first gap), S (synthesis), and G2 (second gap). The replication of chromosomes only happens in the S phase.


What happens to chromosomes and chromatin during each stage of mitosis?

IDK LOL at least i answered actualy i do when that happens u get pimples the size of a centimeter then to calculate it u must find what pie equals athen do this format. 12x(B to the second power times 4) subtract 923 :P good luck hehe...


What happens in meiosis during telophase II?

A total of four daughter cells form. *apex*


Could crossing over occur during second meiotic division?

No, crossing over occurs during the first meiotic division when homologous chromosomes exchange genetic material. In the second meiotic division, the chromatids of each chromosome separate, resulting in the formation of haploid daughter cells.


How many chromosomes will the cell have during late second meiotic anaphase if the diploid chromosome number is 4?

2


What phase of mitosis is the short second phase?

The short second phase of mitosis is called the metaphase. During metaphase, the duplicated chromosomes align and attach to the spindle fibers at the center of the cell. This alignment ensures that during the following phase, anaphase, each daughter cell receives an equal number of chromosomes.


What happens during the second stage of the cell cycle in a eukaryotic?

nose


What happens during the four phases of mitosis?

During prophase, the chromosomes condense and become visible, the nuclear envelope breaks down. During metaphase, the chromosomes line up along the center of the cell. During anaphase, the sister chromatids separate and move towards opposite poles. Finally, during telophase, the chromosomes decondense, the nuclear envelope reforms, and the cell divides into two daughter cells during cytokinesis.


What is a failure of homologous chromosomes to separate in meiosis?

A failure of homologous chromosomes to separate in meiosis is called nondisjunction. This can result in cells with an abnormal number of chromosomes, leading to genetic disorders such as Down syndrome. Nondisjunction can occur during either the first or second division of meiosis.


What is the second phase of mitosis when chromosomes become visible and the nuclear membrane begins to disappear?

The second phase of mitosis is called prophase. During prophase, chromosomes condense and become visible as distinct structures. In addition, the nuclear membrane starts to break down, allowing the chromosomes to move freely within the cell.


What stage when spindle fibers attach to chromosomes?

The stage when spindle fibers attach to chromosomes is during metaphase of mitosis or meiosis. Spindle fibers, which are made of microtubules, attach to the centromere region of chromosomes to help separate them correctly during cell division.