Skin color in a fish is inherited via a single gene with four different alleles. How many different genotypes would be possible in this system?
Question
Skin color in a fish is inherited via a single gene with four different alleles. How many different genotypes would be possible in this system?
Solution
The number of genotypes possible in a system with multiple alleles can be calculated using the formula n(n+1)/2, where n is the number of alleles.
In this case, the fish has 4 different alleles for skin color.
So, substituting 4 into the formula, we get:
4(4+1)/2 = 4*5/2 = 20/2 = 10
Therefore, there would be 10 different genotypes possible in this system.
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