Answer:
By using punnet square we can say that all the offspring's will be freckles. I have attached cross see attachment for full explanation.
i think d. is the best answer .
Kidneys
It is a bit clear in the question as it says "PAIRED ORGANS"
And the function of the kidneys is to clean the blood and produce urine.
The schizophrenia fact that is correct is letter d, the copy number variants have appeared to play the most important role in genetic risk for schizophrenia because the copy number variants are likely to be leading cause in order for a schizophrenia to occur or develop.