Which statement about sex-linked traits is true? Sex-linked traits are always dominant.

Sex-linked traits only occur in heterozygous allele pairs.

Sex-linked traits may be passed from parent to offspring on either the X chromosome or the Y chromosome.

Which is one step that teens can take to advocate for food security in their communities? ask local gyms for free memberships. visit their mayors to present ideas on how to increase the availability of local yoga classes petition parks departments for walking trails. write letters to the editor of the local newspaper about a lack of full-service grocery stores.

When children are young and go to the doctor, the doctor will give them booster shots. this re-exposes the children to a dead portion of a disease to them build immunity.

Organize the stages of tissue repair in the order in which they occur, starting with the first stage at the top.