4 questions in biology

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Complete the questions below. Be sure to read the entire question. This should be your own work—not someone else’s.

  1. In gerbils, spotted pattern is dominant over non-spotted pattern. If a spotted male gerbil who is heterozygous is crossed with a non-spotted female gerbil, will any of their offspring have spots? If so, what percent? [Square = 1 pts, % = 1 pt]

  1. In humans, hemophilia is a sex-linked trait. A man with hemophilia marries a woman without hemophilia. Could any of their children have the disorder? [Hint: This will require TWO punnett squares; Squares = 2 pts, Percent Chances = 2 pts]

  1. Change the following DNA strand into amino acids using the chart from your notes. [2 pt]

DNA: TACCTCTCAACCACT

 

mRNA:

Amino Acid: _______ + _______ + _______ + _______ + _______

  1. Why are x-linked traits significantly more common in men than in women? [2 pts]

 
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