I think the 4 major types of vectors are plasmids, viral vectors, cosmids, and artificial chromosomes. The most commonly used vectors are plasmids.
Hope this helps! ;0
Answer:
by fossil dna
Explanation:
it is too easy for a sciencetist
Differential reproduction means that some organisms in a population produce more offspring than others.
<span>
Differential reproduction refers to the difference between individuals in a population and how many offspring they are able to leave.The best adapted organisms to a given environment will leave more offspring than those who are not well adapted. Differential reproduction depends on the natural selection.</span>
Answer:
Option B
Explanation:
ODD means Oppositional Defiant Disorder while CD means Conduct disorder.
Without initial presence of defiant disorder symptoms, Oppositional defiant disorder are not precursor to the development of conduct disorder.
Oppositional Defiant Disorder and Conduct Disorder are much more predominant in boys than in girls.
According to reseaches carried out,to boys, Oppositional Defiant disorder is a precursor to conduct disorder.
