Pku (phenylketonuria) is an autosomal recessive disease, in which the synthesis of amino acid tyrosine from phenylalanine is blocked. as a result, an excess of phenylalanine gets converted into phenylketones, which appear in the urine. in severe conditions it may also result in damage to the brain. the gene responsible for this is p, whereas the gene p is responsible for normal synthesis of tyrosine. in a small population of brazilian natives, the frequency of gene p, responsible for this disease, is 0.3. what must be the frequency of people who are heterozygous for this disease? ( p q = 1, p2 2pq q2 = 1)
a. 0.56
b. 0.35
c. 0.42

Briefly describe the scenario that was discussed in the behaving brain that demonstrated that the brain can change based on state or mood. which disease could the research involving rats and learning experiments that was discussed in the behaving brain ultimately with? in the behaving brain, what is a common misunderstanding about amnesia that was mentioned? what is the truth about amnesia that's mentioned? what does research discussed in the responsive brain show to be different in men and women's reaction to touch? what was discussed in the responsive brain as being brain-based and a vital part of normal growth and development in young children? in the responsive brain, what do they discuss as a possibility for leading to deficiencies in cognitive impairment as we age? in the responsive brain, what did the research involving african cichlid fish demonstrate? briefly describe the back story and affliction of the author of peter pan. what did you find most interesting about the behaving brain video, and why? what did you find most interesting about the responsive brain video, and w

Did you know that a blue wales tongue weighs more than an elephant?

The tubes transporting minerals and water upward are called ?