Its A directional because <span>In directional selection, selection pressures favor an extreme, in this case, short </span>plants<span>.tall</span>
C. Microscope
They were able to get magnification like never before
The answer is <span>The q allele will go up.
Let's assume that the population is in the Hardy-Weinberg equilibrium and there are only two alleles of some gene. </span>The Hardy-Weinberg principle can be expressed as p + q = 1 where p is the frequency of the p allele and q the frequency of q allele.
Let initial frequencies be:
p = 0.6
q = 0.4
p + q = 1
0.6 + 0.4 = 1
Now, after the environmental change, the frequency of the p allele has gone down, for example p = 0.3
So, p goes from 0.6 to 0.3.
The frequency of the q allele can be calculate using Hardy-Weinberg principle:
p + q = 1
q = 1 - p
q = 1 - 0.3
q = 0.7
Thus, q goes from 0.4 to 0.7.
A capsid is the protein shell of a virus. It consists of several oligomeric structural subunits made of protein called protomers. The observable 3-dimensional morphological subunits, which may or may not correspond to individual proteins, are called capsomeres. The capsid encloses the genetic material of the virus.
It is possible to be passed on because of their gentics.
