Have 2 Bio Questions.. Please Help..?

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Which is a simple, autosomal dominant-recessive trait?
(1) hen-feathered in fowl
(2) hemophilia
(3) red-green color blindness
(4) male pattern baldness
(5) eye color
Which of the following is indicative of females?
(1) XX allosomes
(2) Barr bodies
(3) inactive X chromosome
(4) all of the above
(5) none of the above
If the probability of producing a male offspring is 1/2, what is the probability that the first three offspring will all be males?
(1) 1/2
(2) 1/4
(3) 1/6
(4) 1/8
(5) none of the above
IS 1/8 THE CORRECT ANSWER FOR THIS ONE??

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Post Title: Have 2 Bio Questions.. Please Help..?
Author: admin
Posted: 17th October 2009
Filed As: male Baldness
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