After anaphase Telophase occur.
Explanation:
The M-phase of cell division involves two steps:
- Karyokinesis: Division of nucleus.
- Cytokinesis: Division of cytoplasm.
Karyokinesis has the folloeing steps:
- Prophase: The nuclear membrane disappears and the cromatin fiber begins to condense and form chromosome.
- Metaphase: The metaphase chromosome are well distinct and are arranged on the equilateral plane. And the kinetochore ttaches to the spindle.
- Anaphase: The spindles begin to contract and the sister chromatids begin to separate and move towards respective poles.
- Telophase: Chromatids are already at the poles and they become inconspicuos. The nuclear membrane begins to appear.
Telophase marks the end of Karyokinesis and soon the cytokinesis begins.
In plants cytokinesis occurs by cell plate formation.
In animal cell cytokinesis occurs by invagination.
Adaptive radiation is a process that occurs due to environmental changes and cause organisms to rapidly diversify from an ancestral species into a lot of new different forms. Simply saying, organisms evolve into a wide variety of new types that are adapted to new modes of life. For example, if certain animals from the same species, occupy different habitats with different environmental conditions, different morphological features or adaptations will be formed.
When mass extinction occurs, consequently number of species decrease and biodiversity is reduced. Many niches are left abundant, so they can be occupied by new species.
The xylem is responsible for transporting materials and nutrients throughout the plant.
ddNTPs have a hydrogen at 3' position which terminates synthesis of DNA.
ddNTPs is the abbreviated form for dideoxynucleotides triphosphates. They are known as chain elongating inhibitors. The Sanger method is a sequencing technique that is used to increase the number of DNA copies. The DNA synthesis requires magnesium ions, a single-stranded DNA template, oligonucleotide primer, and nucleotide precursors like dATP, dGTP, dTTP, and dCTP. Also, DNA polymerase is required which is an essential component for DNA synthesis.
The Sanger sequencing method is a significant process evident by its use in Human Genome Project which helped scientists in sequencing the human genome. The small sequenced fragments are joined together to form large regions subsequently forming chromosomes.
Learn more about DNA sequencing -
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