Colorblindness is ____
a. more prevalent in females than males
b. more prevalent in males than females
c. present in both sexes equally
d. encoded by genes on the Y chromosome
e. not a genetic condition
ANSWER: b
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What do the colors in in the figure below likely represent?
A. nothing, they are just there to make the chromosomes look nice. B. the presence of different genes along the length of DNA. C. the presence of different histone proteins in the chromatin. D. different levels of packaging and condensation of the chromatin.
During which phase of the cell cycle are the chromosomes duplicated?
A) Interphase B) Mitosis C) Meiosis D) Cytokinesis
The hundreds of species of Drosophila in Hawaii exhibit different mating rituals. This isolating mechanism is
A. postzygotic and mechanical. B. prezygotic and ecological. C. prezygotic and behavioral. D. prezygotic and geographical. E. prezygotic and temporal.
____ is not a transition seen in going from fish to mammal
Fill in the blank(s) with the appropriate word(s).