A. the history is the moths that where white where able to blend in the trees before the pollution of the trees causing the trunks to turn black and the frequency of the blacks being seen to be more then the whites
simple mules are a mix of hourse and donky and are born infertle they cant BREED.
<h2>Answer:</h2>
Approximately all characteristics are inheritable but some characteristic of our body is affected by the external environment.
<h3>Growth:</h3>
Growth is the basic property of a living organism. It can be controlled by the genes like height. But mainly it is dependent on the available nutrients to the body. So a healthy environment with all necessary nutrients leads to healthy perfect growth of the body.
<h3>RB C count:</h3>
Red blood cells counts also effected by environment. The environment which has a sufficient amount of oxygen leads to low blood count as compared to an environment with low oxygen which leads to high red blood cell count.
<h3>Immunity:</h3>
Immunity is the property of living organism to fight against the harmful agents that invade the body.
People most exposed to germs are more immune than people who often face the germs.
The answer is *drum roll*
B. Eggs of flies in the surroundings!!!!
*bows* Thank you!! *bows* Thank you!
Have a wonderful day!
Answer:
Option B
Explanation:
Given
Number of incidences or frequency of an autosomal recessive disease 
As per Hardy Weinberg's equation, frequency of a recessive genotype is 

As per first equation of Hardy Weinberg's -

so ,


As per second equation of Hardy Weinberg's -

Substituting the given values in above equation, we get -
%

Hence, option B is correct.