Answer:
Genotype of long winged fly is Ll
Genotype of short winged fly is ll
Explanation:
Given
Allele for long wing trait is "L"
Allele for short wing trait is "l"
When a long winged fly is crossed with a short winged fly, half of the offspring have long wings and other half have short wings as the ratio is 
Let us say that the genotype of long winged fly is Ll
and the genotype of short winged fly is ll
The cross between the two will produce following offspring
Ll * ll
Ll, Ll, ll, ll
Out of four off spring two have long wings (Ll)
and the other two have short wings (ll)
Thus the ration of long to short wing offspring is
i.e 
For a single-celled life form that the information handed down to offspring, we would see every generation would be a carbon copy of the one single-celled life form.This is further explained below.
To find the completion we need to know more about a single-celled life
<h3>What would happen to a single-celled life form if the information handed down to offspring was always copied perfectly?</h3>
Generally, A single-celled organism, also known as a unicellular organism, is an organism made up of only one cell.
In conclusion, Every generation would be a carbon copy of the one before it.
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