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Answer:
The frequency of individuals with the dominant phenotype is 0.83.
Explanation:
We are provided with:
Black allele has completed dominance over brown allele
T. no of dogs (dominant)= 2000
No. of black dogs (dominant) = 1660
From Hardy-weinberg equilibrium
Frequency of individual - (individual/ Total population)
Frequency of black dogs = 1660/2000 =
0.83
So, The frequency of individuals with the dominant phenotype is 0.83
<span>The rat was taught that when you press the bar you receive food. When the food ran out the rat was still pressing the bar however it wasn't be awarded. The rat then saw that there was no outcome to pressing the button therefore found it to be pointless.</span>
