Alleles are various forms that a single gene can take. 

Crossing over with genetic recombination occurs during prophase I of meiosis.

What is an example of a disease that is inherited in an autosomal dominant pattern?

A pleiotropic gene is a gene that influences multiple traits. 

In polygenic inheritance alleles of two or more genes determine a trait.

A physical therapist is developing a locomotor rehabilitation program for an individual post-stroke. Which intervention strategy best promotes the transfer of muscle strength gains to functional walking ability?

Does the following pedigree show a trait that is inherited on an autosome or a sex chromosomes?

From the description of the immigrant husband cooking on the grill (lines 23–30), readers might infer  that he is feeling 

A physical therapist is educating a newly injured patient with SCI on prevention of urinary tract infections (UTIs). Which of the following statements MOST accurately reflects key causes and evidence-based prevention strategies for UTIs in this population?

During this stage in meiosis, sister chromatids separate.