During fertilisation, the second meiotic division of the secondary oocyte produces:
AThe Graafian follicle
BTwo equal diploid daughter cells
CTwo secondary spermatocytes
DA haploid ovum (ootid) and a second polar body
Answer & Solution
Correct answer: D. A haploid ovum (ootid) and a second polar body
Sperm entry triggers completion of meiosis II of the secondary oocyte: an **unequal division** yielding a haploid **ovum (ootid)** plus a small **second polar body**. The sperm and ovum haploid nuclei then fuse to form the diploid zygote.
Related questions
The fertilised egg, the zygote, gets implanted in the:Where are mature sperm produced in the human male?Colostrum (the first milk after childbirth) is rich in:The hormone that drives uterine contractions during childbirth (parturition) is:Human pregnancy lasts approximately:The hormone HCG (Human Chorionic Gonadotropin) that is detected by pregnancy tests is prodThe LH SURGE triggers which key event in the menstrual cycle?The average length of the human menstrual cycle is: