If the frequency of PKU, an autosomal recessive disease, is 1% in males, what is the frequency of females with PKU?

answer; a male inherits only one allele of the x-linked gene controlling hair color;

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.

plato users:

d.  

there was a variety of food available on island x, but there were only large seeds and nuts on island y.