Your patient is scheduled to go to the OR (operating room) t…

Your patient is scheduled to go to the OR (operating room) this morning to have a total knee replacement (TKR). Some medications are being held until after the surgery per the physician’s order. When you enter the room to document the patient’s oxygen therapy, the patient asks for a PRN aerosol medication administration. When you check the chart, the order reads “Held for hs”. The most appropriate action is to:

A true-breeding tall plant with yellow seeds (TTYY) was cros…

A true-breeding tall plant with yellow seeds (TTYY) was crossed with a true-breeding short plant with green seeds (ttyy).  Tall and yellow seeds are dominant traits.  The F1 plants were allowed to self-fertilize.  Based on Mendel’s law (independent assortment), which of the following displays the expected ratio of phenotypes for the offspring?

A male dog with muscular dystrophy has puppies with an unaff…

A male dog with muscular dystrophy has puppies with an unaffected female dog (i.e., without disease symptom), who is homozygous for the normal (common) allele of the gene responsible for muscular dystrophy . What is the probability to have a puppy with muscular dystrophy?  Assume his puppy could be male or female.  Note that muscular dystrophy is an X-linked recessive disorder.