MCQ
Intensely lactating mothers do not generally conceive due to the
- AHyper secretion of gonadotropins.
- BSuppression of gonadotropins.
- CSuppression of gametic transport.
- DSuppression of fertilisation.
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$A$. The piece of $DNA$ would be able to multiply itself independently in the progeny cells of the organism.
$B$. It may get integrated into the genome of the recipient.
$C$. It may multiply and be inherited along with the host $DNA$.
$D$. The alien piece of DNA is not an integral part of chromosome.
$E$. It shows ability to replicate.
Choose the correct answer from the options given below:
$(a)$ Spermatogonia
$(b)$ Secondary spermatocyte
$(c)$ Primary spermatocyte
$(d)$ Spermatid
$II. ...C...$ are hybrid vectors derived from plasmids which contain or site of $\lambda$ phage
$A, B$ and $C$ in above statements refers to