What we can say about the frequency of x-linked recessive traits is that the frequency of the allele for the recessive x-linked traits is assumed to be equal to the proportion of males with the recessive phenotype.
For attracting insects for pollination
Anything containing <span> electricity </span> or magnetism. For example would be drinking water because that is the result of the electromagnetic force holding those hydrogen and oxygen atoms together.
C. Microscope
They were able to get magnification like never before