In a plant cell undergoing mitosis, a mutation disrupts the function of phragmoplastin. Which stage of mitosis will be most directly affected, and what would be the observable consequence?
Prophase; failure of chromosome condensation
Metaphase; misalignment of chromosomes at the metaphase plate
Anaphase; inability of sister chromatids to separate
Cytokinesis; incomplete cell wall formation
Related Questions
β¦Aβ¦. mitotic cell division is only seen in the diploid somatic cells, while the β¦Bβ¦ can show mitotic divisions in both haploid and diploid cells.
Identify A and B form the options given below
A-Animals; B-plants
A-Plants; B-animals
A-Bacterial; B-viruses
None of these
If a parent cell has 2n chromosomes, how many chromosomes will each daughter cell have after mitosis?
n
2n
3n
4n
Consider the following statements about plant cytokinesis
I. It usually occurs by cell plate method
II. The spindle usually persists during cytokinesis
III. Cell plate grows centrifugally
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
Mitosis or the equational division is usually restricted to β¦Aβ¦ cells. However, in some lower plants and in some social insects β¦Bβ¦ cells also divide by mitosis.
Choose the correct option for A and B from the given options
A B
Haploid; diploid
Haploid; haploid
Diploid; diploid
Diploid; haploid
Which of the following options gives the correct sequence of events during mitosis?
Prophase, Metaphase, Anaphase, Telophase
Metaphase, Prophase, Anaphase, Telophase
Anaphase, Telophase, Prophase, Metaphase
Telophase, Anaphase, Metaphase, Prophase
The Anaphase Promoting Complex (APC) is crucial for the regulated degradation of proteins during mitosis in animal cells. If a human cell has a defective APC, what is the most likely consequence?
The cell cycle will arrest in metaphase.
DNA replication will not occur.
The cell will undergo uncontrolled cell division.
The cell will enter G0 phase prematurely.
Which of the following events is NOT characteristic of mitotic cell division?
Condensation of chromosomes
Replication of DNA
Synapsis and crossing over
Formation of the spindle apparatus
Which of the following events does NOT occur during mitosis?
Chromosome condensation
Separation of sister chromatids
Formation of spindle fibers
DNA replication
In the early stages of coconut development, the endosperm is primarily in which form?
Solid, cellular
Liquid, multinucleate
Partially solid, helobial
Absent
I. Chromosomes cluster at opposite spindle poles their identity is lost as discrete elements
II. Nuclear envelope assembles around the chromosome clusters
III. Nucleolus, Golgi complex and ER reform
Above features indicates which phase of mitosis
Anaphase
Telophase
Cytokinesis
S-phase