When a foreign DNA is introduced in to an organism, how it is maintained in the host and how it is transferred to the progeny of the organism?

Aves.  Specific feature of Aves is that they are warm –blooded having a four chambered heart and modified forelimbs for flight.

(a) Repetitive DNA and satellite DNA satellite DNA Repetitive DNA Satellite DNA Repetitive DNA are DNA sequences that contain small segments, which are repeated many times. Satellite DNA are DNA sequences that contain highly...

Answer is: Plasmid

(i) Have origin of replication(Ori) (ii) a selectable marker (iii) at least one recognition site.

The uterine environment is not congenial for the survival of the gamete. If, directly transferred to the uterus they will undergo degeneration or could be phagocytosed and hence viable zygote would not...

Foreign gene is usually ligated to a plasmid vector and introduced in the host. As plasmid replicates, and makes multiple copies of itself, so does the foreign gene gets replicated...

Chromosomes are thread-like structures, made of proteins and DNA, found in the nucleus at the time of cell division. In sexually reproducing organisms, the gametes undergo meiosis, and hence, each gamete...

The Indian government has put barriers to foreign trade and foreign investments after independence because:  (i) It wanted to protect the producers within the country from foreign competition.  (ii) As the Industries...

(b) Number of transferred employees = 40% of 1225 =1225 x 40/100 =490

d. Sex-linked recessive