Chromosomes are usually studied and photographed while they are in anaphase of mitosis
a. True
b. False
False
You might also like to view...
The complementary sequence to the DNA template 5'-ATACGCT-3' is 3'-TATGCGA-5'
Indicate whether the statement is true or false.
Which of the following serves to end the menstrual
cycle? a. a surge in luteinizing hormone b. the secretion of human chorionic gonadotropin c. the breakdown of the corpus luteum d. a rise in the level of progesterone e. a drop in the level of gonadotropic hormones in the blood
Female sand crickets are known to produce two phenotypic variants: long-winged and short-winged. Moreover, these two variants have been shown to allocate different amounts of their energy budget to flight or ovary development, respectively
The development of female crickets into one or the other of these variants is due to ________. A) genetic mechanisms B) developmental mechanisms C) physiological mechanisms D) All of the above.
When a population evolves predator defenses, this reduces selective pressure and can lead to diversification into new species. This is called:
A. Interference competition B. Ecological release C. Ecological character displacement D. Escape-and-radiate coevolution