How many conditions exhibit in dissimilar sex chromosomes?
$2$
$3$
$4$
$5$
Self sterility in "Nicotiana'' was reported by
To store blood some anticoagulant is added. It can be
Number of linkage group in Pisum sativum is
The evidence that crossing over occurs at four stranded stage and not at two stranded stage of the chromosomes, comes from
The phenomenon of incomplete dominance was observed by