You flip a coin five times and three of those are "heads." Using the binomial probability distribution formula, determine the probability of getting "heads" three of the five times. Reminder: You may use a calculator for recitation quizzes.
a. 0.3125
b. 0.0260
c. 0.25
d. 0.1265
Ans: a. 0.3125
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In humans, blue eyes are inherited as a recessive autosomal trait and color blindness is an X-linked recessive trait. A woman with blue eyes and normal color vision whose father was color blind marries a man who also has normal color vision
He has brown eyes, but his mother had blue eyes. Which of the following would you expect to be true for their sons? A) One-half of their sons will have normal color vision and brown eyes; 1/2 of their sons will have normal color vision and blue eyes. B) Their sons will all have normal color vision and brown eyes. C) One-fourth of their sons will be color blind and have blue eyes, 1/4 of their sons will be color blind and have brown eyes, 1/4 of their sons will have normal color vision and blue eyes, 1/4 of their sons will have normal color vision and brown eyes. D) Their sons will all have normal color vision and blue eyes. E) One-half of their sons will be color blind and have blue eyes; 1/2 their sons will be color blind and have brown eyes.
Where does the ovule meet the sperm that fertilizes it?
A. In the uterus B. In the oviduct C. In the ovary D. In the vagina
Cancer-causing mutations of the cell cycle ____
a. increase the speed of the cycle b. cause the cell to bypass checkpoints in the cycle c. eliminate one or more stages of the cycle d. interfere with S phase of the cycle e. stop the cycle and cause a build-up of cell toxins
In a bird egg, the ________ provides the watery environment in which the embryo develops
A) yolk sac B) amnion C) blastocyst D) chorion E) allantois