For the following questions answer them individually
In gene therapy to treat adenosine deaminase deficiency disorder, which of the patients blood cells are used ?
The sequential events from initial stage till climax stage in a succession are called :
Choose the correct sequence representing the ploidy of Nucellus; Megaspore mother cell; Megaspore; Egg cell; Zygote; A polar nucleus of embryo sac; Secondary nucleus and Primary endosperm nucleus.
Which of the following structures does not open into the genital chamber of female cockroaches ?