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प्रश्न
fertilisation in humans can occur only once in a month. Why?
उत्तर
A human female produces one egg a month through the process of ovulation therefore, fertilisation can occur once in a month.
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संबंधित प्रश्न
Describe in brief what happens to the zygote after it gets implanted.
If a woman is using a copper-T, will it help in protecting her from sexually transmitted diseases?
What are the organs in humans which produce the gametes?
The diagram shows female reproductive system. Name the parts labelled A to D.
(a) In which part do the sperms enter?
(b) Which part releases the egg?
(c) In which part does fertilisation take place?
(d) In which part does the foetus develop?
Draw a labelled diagram of the human male reproductive system. With the help of this diagram, describe the working of human male reproductive system?
State the role of placenta in the development of embryo.
Give the functions of the following:
Vagina
Choose the Odd One Out:
A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is ______.
