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प्रश्न
Acrosomal reaction of the sperm occurs due to ______.
पर्याय
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 takes place in __________.
How is polyspermy prevented in humans?
Blastopore is ______.
Amount of yolk and its distribution are changed in the egg. Which one is affected?
A change in the amount of yolk and its distribution in the egg will affect ______.
In human female the blastocyst ______.
The sperms undergo physiological maturation, acquiring increased motility and fertilising capacity in ______.
Cleavage differs from mitosis in lacking ______.
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 ______
Corpus luteum in pregnancy has a long life. However, if fertilisation does not take place, it remains active only for 10 - 12 days. Explain.