A recessive allele on the X chromosome causes color deficiency. A noncolor-deficient woman (whose father is color deficient) marries a color-deficient man. If they have a son, what is the chance that he will be color deficient?
A) 25% B) 0% C) 100% D) 75% E) 50%
E
You might also like to view...
What types of mutants were essential to the discovery of new replication enzymes?
A. Gain-of-function mutations B. Lethal mutations C. Temperature-sensitive mutations D. None of the answers are correct
Choose the item in column 2 that best matches each item in column 1.
A) assists in lipid assembly B) nucleic acid C) hydroxyl group D) methyl group E) spheres of hydration F) lipid bilayer G) ATP H) assists in protein assembly I) glycogen J) cellulose 1) molecular chaperone 2) important in hydrogen bonding 3) structural polysaccharide 4) informational macromolecule 5) membrane structure
Certain metabolic pathways are affected by the buildup of a product which interacts with an enzyme catalyzing one of the initial steps of the pathway; this can be an example of
(A) transcriptional regulation (B) thermodynamic regulation (C) translational regulation (D) feedback inhibition (E) posttranslational modification
C. mutualism.
A. food. B. shelter. C. water. D. All of these answers are true.