What must a phenylketonuria patient leave out of his or her diet? A. a specific amino acid
B. all carbohydrates
C. all amino acids
D. some specific carbohydrates

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

What are they five steps of cloning?

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates