Given below are events that lead to pregnancy and development of embryo.
(i) Fertilisation of egg
(ii) Maturation of egg
(iii) Release of egg
(iv) Embedding of embryo in uterus
Which of the following options gives the correct order of sequence in which they occur?
(a) (i), (ii), (iii), (iv)
(b) (ii), (i), (iii), (iv)
(c) (i), (iv), (ii), (iii)
(d) (ii), (iii), (i), (iv)
(d) The events in sequence are:
– Maturation of egg after puberty in the ovaries of a woman.
– Release of egg call.
– Fertilisation of egg cell by sperm to form a zygote.
– Zygote divides repeatedly to form an embryo.
– Embryo is embedded in wall of uterus for further development to foetus.
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