What is genotype for a recessive trait found on the female chromosome?
yh
xh
xh
yh

What is the identity of the planets?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Match each symbol with its description.