Phenylketonuria (PKU) is a disease that results from a recessive gene. Two normal parents produce a child with PKU. (a) What is the probability that a sperm from the father will contain the PKU allele? (b) What is the probability that an egg from the mother will contain the PKU […]

There are approximately 4000 DNA sites in the yeast genome which could potentially bind the yeast transcription factor GAL4, but only 10 sites control genes necessary for galactose metabolism. In one chromatin immunoprecipitation experiment, yeast growing on galactose were lysed, and subjected to cross-linking reagents which cross-linked transcription factors to […]

Question: T.J. and Tyler were building a tree-house. While searching for a board in a pile of used lumber, T.J. stepped on a rusty nail that penetrated deep into his foot, causing it to bleed. Neither T.J. nor Tyler wanted to tell their parents about the accident, but after three days, […]

The chance of getting a child with type B is 18.75%. Besides, AB blood group constitutes 56.25%. The type O chance is 6.05%. Therefore, the mother and the father has the highest chance of getting a child with type AB blood because type A and B alleles are dominant over […]