Hairline is an example of an autosomally inherited trait. Widow's peak is dominant, whereas a straight hairline is recessive. Assuming the parents are both heterozygous for widow's peak, what. What is the probability that their child is a girl with a straight hairline?

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½ x ¼ = 1/8

  

½ + ¼ = ¾

  

½ x ½ = ¼

  

¼ + ¼ = ½

 

asked May 2, 2013 in Genetics by anonymous
    

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½ x ¼ = 1/8
answered May 2, 2013 by anonymous

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