In sticklebacks, females prefer to mate with males that have higher red color intensity. Why is the figure below consistent with runaway sexual selection as an evolutionary mechanism for the evolution of this preference?
a. Environmental factors cause brothers and sisters to have corresponding degrees of preference and intensity.
b. Male trait and female preference are genetically correlated.
c. Male trait and female preference are caused by the same genetic locus.
d. The data shown in the figure are not consistent as they are far too noisy.
e. B and C.
B
You might also like to view...
PBDEs are ____
a. permitted in many European countries but banned in the United States b. permitted in only one European country and in only 11 states in the United States c. banned worldwide but are still being used illegally d. banned in many European countries but permitted in most states in the United States e. banned in many Europeans countries and all states in the United States
If a person undergoes antibiotic treatment that kills off most of her normal intestinal bacteria, she would be vulnerable to a deficiency of
a. fiber. b. cellulose-degrading enzymes. c. vitamin K and B vitamins. d. essential amino acids. e. water reabsorption.
The alcohol in beer and wine is from
fermentation by
a. bacteria. b. yeast. c. hops flowers. d. sugar. e. protistans
Antibody binding to receptors on the thyroid may result in
A) multiple sclerosis. B) Graves' disease. C) DiGeorge syndrome. D) type I diabetes. E) autoimmune hemolytic anemia.