Question 26 Which statement about the plasma membrane is true?
O Proteins embedded in the cell wall act as channels.
O Phospholipids in the plasma membrane serve as markers.
O Cholesterol helps keep the plasma membrane hydrophobic.
O The plasma membrane forms an impenetrable barrier.

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3