Because only the chromosomes can be seen in a karyotype, and microdeletions or insertions are mutations at the molecular level, it is virtually impossible to detect such mutations at the chromosomal level.
Answer:
A mature animal will have been fully developed whereas an immature animal will not be fully developed. In a mature animal, all stages of development will have occurred whereas in an immature animal not all developmental stages would have occurred.
A mature animal will be better adapted to live in an environment as compared to an immature animal.
Glucose is an organic molecule.
So the correct answer is B.
Hope this helps,
Davinia.