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A, B and C are linked genes. Recombination between A and B is 3%; between A and C is 6%; and between B and C is 9%. What is the order of these genes on the chromosome?

A patient is experiencing extreme fatigue, muscle weakness, and poor eyesight. The symptoms are consistent with a mitochondrial disorder, but the patient’s mother is healthy. Select a plausible explanation(s). Choose all that apply.

Based on a patient’s family history with a particular disease, you draw out the pedigree above. The pedigree indicates which family members are affected, but carriers are not marked. Which mode of inheritance best fits the pattern of this disease? (Consider family members who are affected as well as family members who may be carriers, too.)

A healthy man and a healthy (unaffected) woman have a son with Lesch-Nyhan syndrome, an X-linked recessive trait. What is the percent chance that this couple’s daughter will have Lesch-Nyhan syndrome?

A widow’s peak hairline is an example of a Mendelian trait. If he were not bald, my father would have a widow’s peak. This is an example of:

How could an individual have a trisomy?

Please match the phase of meiosis with the activity in the cell.

Genes are distributed on chromosomes:

The physician orders a norepinephrine IV drip at 2 mcg/min for hypotension. The medication is supplied in 1.5 mg/500 mL of D5W. Calculate the flow rate in milliliters per hour (mL/hour). Round to the whole number. 

Match the glossary term with the correct definition: