In one generation, the frequency of the A allele is 70 percent and the frequency of the a allele is 30 percent. What are the chances of an individual in the next generation having the genotype aa if the population is in genetic equilibrium?

A. 49%
B. 42%
C. 30%
D. 9%

I will give medal for best answer thank you!(:

Question

In one generation, the frequency of the A allele is 70 percent and the frequency of the a allele is 30 percent.  What are the chances of an individual in the next generation having the genotype aa if the population is in genetic equilibrium?

A. 49%
B. 42%
C. 30%
D. 9%

I will give medal for best answer thank you!(:

liv1234 · Answer

@wolfe8 @TheSmartOne can you guys help me out please?

liv1234 · Answer

@sleepyjess @EclipsedStar

aaronq · Answer

f(a)= 0.3

f(aa)=$a^2=(0.3)^2$

recall: $a^2+2ab+b^2=1$

liv1234 · Answer

That doesn't make sense for this question

liv1234 · Answer

@aaronq

aaronq · Answer

$\sf f(aa)=a^2=(0.3)^2=0.09=9\%$

have you been paying attention in class?

liv1234 · Answer

Yes, I have been.  I just needed an explanation thank you!

aaronq · Answer

np!