Show the genotypes of two individuals who have low average intelligence and explain
how they could produce a child with a higher
IQ.

It is considered that the child's IQ will be 50% more than parents IQ.

If parent's IQ is 100

50% of 100 is 50

Now add these values

100+50=150

So, The child's IQ will be always higher than parents.

the sphincter muscles at the end of the digestive tract is the anus.