White matter is the slightly more pale tissue in the areas of the brain and spinal cord. It consists of nerve fibers with their myelin sheaths (the fatty substance that surrounds and "protects" the axon.
During meiosis I, homologous chromosomes line up side by side and may shuffle genetic material between themselves.
<h3>What is Meiosis?</h3>
- In sexually reproducing organisms, meiosis is a unique type of cell division of germ cells that results in the production of gametes, such as sperm or egg cells.
- Two rounds of division are necessary, and the end product is four cells with just one copy of each chromosome.
- Prophase I, Metaphase I, Anaphase I, and Telophase I are the four phases that make up Meiosis I.
- It deactivates the sporophytic information while activating the genetic information for the production of sex cells.
- By halving the same, it keeps the chromosomal count constant.
<h3>What is chromosome?</h3>
- A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's genetic code.
- Histones, which serve as packing proteins for the majority of eukaryotic chromosomes, work with chaperone proteins to attach to and condense the DNA molecule in order to preserve the integrity of the molecule.
Learn more about Meiosis here:
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Answer: different organisms have different chromosome numbers
Explanation: eukaryote cells have more than one chromosome
chromosomes are present in most cells all the time (not in erythrocytes), but cannot be visualised except during telophase of mitosis or meisosis
bacterial cells don’t have a nucleus
Answer:
D
Explanation:
Most of the energy in the United States comes from the burning of fossil fuels (coal, oil, natural gas). Hope this helps!
<span>The two scientists, who are credited with creating the first accurate model of DNA are JAMES WATSON and FRANCIS CRICK. The success that these two scientists achieved concerning DNA structure is based on the works of other scientists, who have carried out series of research on DNA. The real proof of Watson - Crick model for DNA was released in 1982, this was after the B form of DNA was crystallized and its X ray pattern was solved.</span>
