Each breed of dog is known to be susceptible to certain illnesses, such as heart problems, eye disorders, or thyroid problems. Why do dog breeders often go to great lengths to breed a dog that's unrelated to a dog they want to breed?
A) Individuals closely related are more likely to have the same deleterious genes.
B) Individuals closely related are less likely to want to mate.
C) Breeding individuals that are closely related may produce an interesting new set of characteristics.
D) Breeding individuals that are closely related will result in greater fitness for the offspring.
A
You might also like to view...
When DNA with variable number tandem repeats (VNTRs) is sequenced and visualized on a gel, the resulting fragments separate according to their:
A. A-T content. B. G-C content. C. color. D. size. E. shape.
Water can maintain a constant temperature better than some other liquids because _____
1.hydrogen bonding keeps the water molecules from moving around too much 2.cohesion forms a seal that keeps heat out 3.heat is generated by ions and there are few ions in water 4.covalent bonds remove energy from the system and keep water cool
A person with hemophilia lacks the pleiotropic gene that codes for the protein called clotting factor VIII. What effects will this have on a person with hemophilia?
A) The person will only have the symptom of lack of blood clotting (bleeding). B) The person will always have the same symptoms as other hemophiliacs. C) The person will have many other symptoms in addition to excessive bleeding. D) The person will always have neurological problems.
Cell signaling can be classified into
a. three distinct types based on the distance over which the signaling molecules act b. two distinct types based on the distance over which the signaling molecules act c. three distinct types based on the signaling molecules d. none of the above