Which of the following is used as a best genetic vector in plants?
Bacillus thurengiensis
Agrobacterium tumifaciens
Pseudomonas putida
All of the above
Pneumatic bones are expected to be found in
house lizard
flying fish
pigeon
tadpole of frog
C.
pigeon
Bones of Aves (eg, pigeon) are pneumatic. Pneumatic bones contain air cavities to reduce weight. These help in aerial mode of life.
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
X- linked recessive gene is
always expressed in male
always expressed in femlae
lethal
sub- lethal