Meiosis II

Go through the following statements (i) The secodnary oocyte undergoes meiosis II which proceeds only till metaphase until a sperm enters it. (ii) Ovulation occurs about 36-38 hours after the start of LH surge at midcycle. (iii) In humans, it takes about 74 hours to form a mature sperm from a primitive germ cells. (iv). About 70% of the human ejaculate is contributed by bulbourethral glands Which of these are correct?

Cell division is tightly regulated. Which of the following is TRUE regarding mitosis OR meiosis? I. Mitosis shows no homologue pairing II. There is no S phase between meiosis I and II III. Meiosis centromeres do not divide at anaphase I.

From the following, identify the two correct statement with reference to meiosis. I. Meiosis involves two sequential cycles of nuclear and cell division called meiosis I and meiosis II but only a single cycle of DNA replication. II. Development of chiasmata occurs in diakinesis. III. Separation of two basic sets of chromosomes. IV. No division of centromere.

Meiosis 1 | | Meiosis 2 | | Significance OF meiosis | | Mitosis

Meiosis|Meiosis - 1|OMR