Which of these is a recessive genetic disorder?
a. down syndrome
c. type o blood
b. type ab blood
d. cystic fibrosis

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

What type of graph presents information about how often certain or traits occur?

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow