Answer:
may i know which subject does this question belong to.
Explanation:
Change through natural selection
Hope this Helps (:
It is usually acetic acid that nature likes to make lipids out of.
If they are both carriers , we can create a cross with Rr.
The probability of not even carrying PKU is 1/4 or 25%
The probability of carrying is 2/4 or 50%
And the probability of inheriting the disease PKU is 1/4 , 25%