In a species of turtles you are studying, you find that when eggs are incubated at a low temperature, the hatched turtle will be male
Eggs incubated at a high temperature yield females, and intermediate temperatures lead to both male and female offpsring. This mode of sex determination is most similar to that in
A. insects.
B. birds.
C. bees.
D. alligators.
D
You might also like to view...
How do scientists determine the annealing temperature used in PCR reactions?
a. It is always 55?C because the DNA polymerase works best at this temperature. b. It is always 55?C because primers anneal best at lower temperatures. c. It is always 60?C because any other temperature would destabilize the DNA. d. It can vary from 55-60?C depending on the primers being used. e. It can vary from 55-60?C depending on the type of DNA polymerase being used.
People with the disease known as sickle-cell anemia are often better able to survive malaria because of
a. balanced polymorphism. b. heterozygote advantage. c. frequency dependent selection. d. disruptive selection. e. stabilizing selection.
How many layers does the plasma membrane contain?
a. 1 b. 2 c. 3 d. 4
Which of the following organism is described
by chitin cell walls, spore production, extracellular digestion?
a. water molds b. dinoflagellates c. yeast d. red algae e. ferns