Formations of egg cells described through germ cells
Indicating respective ploidy and the name of all involved cells how can the formations of egg cells through germ cells described?
Expert
The formation of egg cells starts with a germ cell known as oogonium (2n) which Undergoes mitosis and produce oocyte I (2n). The oocyte I undergo meiosis I which however is broken up at prophase. After puberty through each menstrual cycle an oocyte I complete the meiosis I and produce one oocyte II (n) and the first polar body (n). With Fecundation the oocyte II then undergoes meiosis II and generates the mature egg cell (n) and the subsequent polar body (n).
How organism which had once undergone contact with an antigen can be immunized against the future infections by the same agent?
Explain the blastopore and archenteron? Which is the stage of embryonic development where these structures are formed? Specify the destinations of archenteron and of blastopore?
Explain some morphological features which distinguish the beings of the phylum Annelida from nematodes and platyhelminthes?
Why do cells of nephron tubules have large amount of mitochondria?
Following steps must be taken in resolving a conflict already arisen: 1) Preliminary step: this step involves knowing of full details of the conflict and the first thing to note is the stage of conflict. The more advance the stage of conflict, the more e
State some of the clotting factors?
Illustrate the name provided to conditions in which the own immune system of individual is the agent of diseases? What are various examples of such conditions?
Give a brief description of visual accommodation?
What is the fundamental structure of a virus?
Name the major structures of human eye?
18,76,764
1953176 Asked
3,689
Active Tutors
1460223
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!