Cell division happens twice during meiosis. One starting cell can produce for gametes (eggs or sperm.) In each round of division, cells go through four phases called prophase, metaphase, anaphase, and telophase.
prophase During prophase the chromosomes become visible as paired chromatids and the nuclear envelope disappears. This phase includes reduction division, which is where the number of chromosomes is decreased from 46 (diploid) to 23 (haploid.)
metaphase This is where the 23 remaining chromosomes become attached to the spindle fibers.
anaphase During this phase, the chromosomes move away from each other to one or the other pole of the spindle fiber.
telophase In which the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.
interphase This is a resting period.
You can make a table with each sun/star and plot them by color/heat. I hope this helps!
Answer: The surgical removal of male reproductive organs is known as Orchidectomy.
Explanation: By the process of Orchidectomy male reproductive organs ( one or both the testes ) removed surgically. Orchidectomy is also known as Castration.
Orchidectomy is very helpful in case of testicular cancer. Because in that case it serve as treatment of cancer.
Orchidectomy is of three types -:
1 : Simple -: In this type of orchidectomy male gonads and spermatic cord is removed by incision. For the treatment genetic infection.
2 : Subcapsular -: In this type of orchidectomy not the entire gland only glandular tissues are removed. It is a Prostrate cancer treatment.
3: Inguinal :- In this type one or both the testes or entire spermatic cord is removed in incision in lower abdomen.
Answer: B
WHY?
Deletion mutation may cause a shift of base sequence, causing the reading frames for base sequence to change during translation. This may affect the type of amino acid it the original base sequence codes for, resulting in a change in amino acid sequence in the polypeptide translated. Therefore, affecting the whole protein itself. There may be wrong amino acids that prevents vital bonds like disulfide bridges to form, resulting in a huge change in 3 dimensional conformation of the protein. A point mutation may result in a gene sequence being edited. However, only the target sequence is being mutated. The rest of the gene sequences are left untouched. Therefore, the impact is localised. This ensures that even though a few wrong amino acids may be in the polyleptide, most of the bonds that are crucial for the correct 3 dimensional conformation is still present, therefore, lesser defects will be resulted due to point mutation as compared to deletion mutation.
