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प्रश्न
Acrosomal reaction of the sperm occurs due to ______.
विकल्प
Its contact with zona pellucida of the ova
Reactions within the uterine environment of the female
Reactions within the epididymal environment of the male
Androgens produced in the uterus
उत्तर
Acrosomal reaction of the sperm occurs due to Its contact with zona pellucida of the ova.
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संबंधित प्रश्न
Fertilisation is __________ in humans.
The structure which provides vascular connection between the foetus and uterus is called __________.
Name the hormones secreted and write their functions by corpus luteum and placenta (any two).
Name the stages in a human female where Corpus luteum and placenta co-exist.
State three functions of the placenta
During cleavage, what is true about cells?
The sex of the fetus will be decided at ______.
Read the following and answer from given below:
Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to pregnancy.
The Site of implantation is ______
In sexually reproducing animals, the union of male and female gamete forms a cell which is called ______
How does zona pellucida of ovum help in preventing polyspermy?
