The parents should go to gene counciling to determine who carried the gene that was passed down to the offspring.
Answer: Depending on the species they mightreproduce asexualy or they will adapt to have offspring.
Explanation:
It can either increase the stress level OR it can lower self esteem and inhibitions .
The answer would be: It would have no effect, because tyrosine is also available from the diet
The pathway is different, alkaptonuria increased tyrosine is caused by decreased usage. In phenylketonuria, it is caused by increased production. While tyrosine is increased in phenylketonuria patient, it won't cause alkaptonuria because tyrosine could be found in the diet.
The answer for the year of 2017 would be more than 90 million. Hope this helps.