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
X- linked recessive gene is
always expressed in male
always expressed in femlae
lethal
sub- lethal
A.
always expressed in male
X- linked genes are represented twice in female and once in male. The recessive X- linked genes have characteritic criss- cross inheritance, ie, male transmits his X- linked recessive genes to his grandson through his daughter.