Chromosomes first become visible during the prophase stage of cell division, specifically in mitosis and meiosis. During prophase, the chromatin condenses into distinct, tightly coiled structures, making them observable under a microscope. This process facilitates the proper segregation of genetic material during cell division.
In meiosis, chromosomes first become visible during prophase I. This is when homologous chromosomes condense and pair up, forming structures called tetrads. The visibility of chromosomes is facilitated by the coiling and shortening of chromatin, making them distinct under a microscope. This stage is crucial for genetic recombination, as crossing over occurs between homologous chromosomes.
Chromosomes first appear to be double during the S phase of the cell cycle when DNA replication occurs. This results in two identical sister chromatids joined by a centromere in preparation for cell division.
False. The first step in mitosis is prophase, during which the chromosomes condense and become visible, but the separation of each pair of chromosomes occurs later during anaphase. In prophase, the nuclear envelope breaks down, and the spindle apparatus begins to form, preparing the chromosomes for separation.
The chromosomes become different from each other due to crossing over which occurs during prophase I.
During prophase of mitosis, DNA condenses and coils into visible chromosomes. This phase marks the beginning of the cell division process, where chromosomes pair up and become more distinguishable under a microscope.
double chromosomes first become visible in which step of mitosis?
Interphase as they become decondenced
Prophase
They first become visible during prophase of mitosis.
During the Prophase. :)Chromosomes become highly condensed.They are visible to light microscope,not naked eye
In meiosis, chromosomes first become visible during prophase I. This is when homologous chromosomes condense and pair up, forming structures called tetrads. The visibility of chromosomes is facilitated by the coiling and shortening of chromatin, making them distinct under a microscope. This stage is crucial for genetic recombination, as crossing over occurs between homologous chromosomes.
in the late prophase this phenomenon occur
The phase of cell division when duplicated chromosomes first appear is called the prophase. In prophase, the chromatin condenses into visible chromosomes, and the nuclear envelope breaks down, allowing the chromosomes to be more clearly visible.
Chromosomes first appear to be double during the S phase of the cell cycle when DNA replication occurs. This results in two identical sister chromatids joined by a centromere in preparation for cell division.
Rod-shaped chromosomes are first visible during prophase of mitosis. At this stage, the chromosomes condense and become visible as rod-shaped structures in preparation for cell division.
Interphase and Telophase
The first clue that mitosis has begun is the condensation of genetic material into visible chromosomes. This occurs during the prophase stage of mitosis when the chromosomes become visible under a microscope.