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g the inability to metabolize phenylalanine is a recessive autosomal trait called PKU when A marries a woman at random from another town what is the probability that his first born will be affected by PKU

Respuesta :

Histrionicus

Answer:

The correct answer is - zero percent.

Explanation:

As it is known that PKU is a disease that takes place if one has wild type recessive rr only. It is given that A is normal heterozygous and if he marries normal women then

   R       r

R  RR    Rr

R   RR    Rr

so there will be 2 carriers and 2 unaffected but no affected.

Ver imagen Histrionicus