Which of the following is used as a best genetic vector in plants?
Bacillus thurengiensis
Agrobacterium tumifaciens
Pseudomonas putida
All of the above
Balbiani rings are the structural features of
allosomes
polytene chromosomes
autosomes
Lampbrush chromosomes
Presence of tail in a child is an example of
atavism
divergent evolution
convergent evolution
mutation
A.
atavism
Atavism is the phenomenon of appearance of ancestral character (not parental) in young ones after many generations, eg, presence of tail in a child.
X- linked recessive gene is
always expressed in male
always expressed in femlae
lethal
sub- lethal