For an individual to have the behavioral expression of the disorder pku, the individual must inherit a recessive combination of alleles and be exposed to phenylalanine in the diet.
What is pku?
A rare genetic condition known as phenylketonuria, or PKU, causes the body to accumulate phenylalanine, an amino acid. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because to this gene.
When a person with PKU consumes protein-containing foods or aspartame, an artificial sweetener, a dangerous buildup of phenylalanine can occur because this person lacks the enzyme required to break down phenylalanine. This may ultimately result in severe health issues.
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Because it can analyze of what we are made of and who were our ancestors by studying our DNA.
Answer: B) R group
Explanation: An aminoacid is composed by an amino group, an acid or carbonyl group and a side chain or R group, all bonded to a central carbon atom. Aminoacids are different between them for the R group and can be classified as: 1) Non-polar Neutral if the side chain is uncharged and non-polar (aliphatic or cyclic). 2) Polar Neutral if the side chain contains amida, sulfur or hydroxyl groups. 3) Basic if the side chain contains other amino groups. 4) Acid if the side chain contains other carboxyl groups.
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activity which is the best demonstration of Joseph John Thomson's use of creativity in
his work when he devised a better method and equipment in studying cathode rays.
This activity led to the discovery of originally termed particles “corpuscles”
which are now known as “elections”. This discovery also upended the dominating
theory that atoms are the smallest fundamental unit.
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According to this initial single gene autosomal cross, Mendel would have observed that the resulting offspring in the F1 or first filial generation are Tall. This is because, of the allele relationship that he observed, which is simple complete dominance.
The dominant or preferred allele or nucleotide sequence is used for the production of the protein, to allow for the appropriate colour.
Genotype would all be heterozygous Tt.
