Because the can receive blood from any person with blood type of O,A.B and AB.
I think a line graph would make sense in this situation, but I'm not sure if that's the kind of answer your teacher is looking for.
Answer:
Due to increasing the survival.
Explanation:
The natural selection causes a change in allele frequency leading to a change in the color of the frogs because the colour of the frog helps it in hiding from predators. The population of that frog specie increases which has the ability to hide from the predators in that environment while on the other hand, the population of frog decreases which can easily be seen by the predator due to its colour so this change in allele frequency will leads to natural selection.
There is a recessive gene that skips a generation.
Answer:
Phenylketonuria results from the deficiency of the enzyme phenylalanine hydroxylase
Explanation:
Phenylalanine hydroxylase converts phenylalanine to tyrosine. Deficiency of this enzyme leads to accumulation of phenylalanine leading to the disorder known as phenylketonuria
