The role of the chordae tendineae is to open the av valves at the appropriate time.

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome