Susana ascends a mountain via a short, steep trail. Sean ascends the same mountain via a long, gentle trail. Which of the following statements is true?

Twin embolization syndrome occurs: 

A postpartum gynecologic sonogram may be needed for which of the following assessments?  

Multifetal pregnancy reduction usually performed late in the 2nd trimester.  

What is a life-threatening complication resulting from the death of a monochorionic twin?  

What is term used to describe the death of a twin fetus in the first trimester that is reabsorbed?  

What does the T sign represent?  

When a woman with an X-linked recessive disorder has sons, what percentage will inherit the disorder?

Which of the following terms refers to the genes of an individual?

What is the genotype of a person with type O blood?