- ✓Offspring do not possess exact copies of parental $\text{DNA}.$
- B$\text{DNA}$ of only one parent is copied and passed on to the offspring.
- COffspring are formed at different times.
- D$\text{DNA}$ of parent and offspring are completely different.
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$B.$ Humans are $\ldots \ldots$
$C.$ Fertilization is .... in humans
$D.$ Male and female gametes are.....
$E.$ Zygote is.....
$F.$ The process of release of ovum from a mature follicle is called.....
$G.$ Ovulation is induced by a hormone called ......
$H.$ The fusion of male and female gametes is called.......
$I.$ Zygote divides to form... which is implanted in uterus
$J.$ The structure which provides vascular connection between foetus and uterus is called......
Blanks in the statements $A$ to $J$ in the above statement is
$(1)$ Medical termination of pregency $(MTP)$ during first trimester is generally safe
$(2)$ Generally chances of conception are nil until mother breast-feeds the infant upto two years
$(3)$ Intrauterine devices like copper$-T$ are effective contraceptives
$(4)$ Contraception pills may be taken upto one week after coitus to prevent conception Which two of the above statements are correct?