Formation of sperm cells
Explain the formation of sperm cells from the germ cells be described, by indicating the name and respective ploidy of every involved cell?
Expert
Formation of the sperm cells, or spermatogenesis, starts with the germ cell known as the spermatogonium (2n) which suffers teh mitosis and give birth to spermatocyte I (2n). The spermatocyte I undertake meiosis I and produce two spermatocyte II (n) which then undertake meiosis II and generate four spermatids (n). Every spermatid undertakes the maturation process known as the spermiogenesis and four sperm cells occurs.
Give a brief description of the term commensalism?
From zygote, pluricellular organisms are formed through serial mitosis. Had this formation be possible if every cell made by the mitosis had similar life in relation to antecedent cells? How the evolution did solve the problem?
Indicating respective ploidy and the name of each involved cell how can the formation of sperm cells through germ cells be described?
Name the chordate group which considered as an evidence of the transition of the vertebrates from the aquatic to dry land atmosphere?
Give a brief explanation of typical vegetation and typical fauna of tundras.
What do you mean by the natural active immunization and artificial active immunization?
Explain, how the respiration is performed by the larva of amphibians?
Why glucorticoids are used in the transplant patients?
Write down the brain region which is responsible for regulation of breathing and blood pressure?
Explain, Are hormones only proteins?
18,76,764
1950893 Asked
3,689
Active Tutors
1438216
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!