Answer:
Some don't because of many things, disease and not getting enough food.
Explanation:
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens thatis bigto produce a magnified image of an object. The lens is usually mounted in a frame with a handle
<span> I would have to say that Homologous chromosomes are made up of chromosome pairs of approximately the same length, centromere position, and staining pattern, for genes with the same corresponding loci that's all I know</span>
<span />
Answer:
I think you mean molecule not Michal so the answer is: the concentration of the molecule may be too low to be detected
Explanation: