Meiosis I progresses through the following stages: prophase, metaphase, anaphase, and telophase.
Meiosis is a type of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this process is necessary. In sexually reproducing organisms, meiosis is a kind of cell division that results in a reduction in the number of chromosomes in gametes (the sex cells, or egg and sperm). Body (or somatic) cells in humans are diploid, meaning they have two sets of chromosomes (one from each parent).
In meiosis I following are the stages:
- During the interphase, two complete sets of chromosomes that are identical to one another are produced from the cell's DNA.
- Under a microscope, the replicated chromosomes condense into X-shaped structures during prophase I.
- Chromosome pairs align themselves side by side along the cell's equator during metaphase I.
- After that, during anaphase I, the meiotic spindle separates the pair of chromosomes, pulling one chromosome to one pole of the cell and the other chromosome to the other.
- The chromosomes finish moving to the cell's opposite poles during telophase I and cytokinesis.
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Answer: Dopamine
Explanation:
It is made in the brain and also can be used as messengers particularly chemical messengers to relay message between nerve cells. It also help in how we feel pleasure and also assist us with that special ability to think first and then plan.
Answer:
C) Energy in the form of heat is transferred throughout the ocean only by waves and surface currents.
Explanation:
Heat is transferred between the surface of a sea or ocean and the atmosphere through radiation, convection, and turbulent heat exchange and by means of the evaporation of water and condensation of water vapor above the sea or ocean.
If it's not C then my best guess would be D. This one is kind of tricky!!
Hope this helped!!!
Answer:
The chin is inferior to the nose.
The correct answer is C) They are often aggressive at acquiring and maintaining territory. Hope this helps.