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P_ook P_ook
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10 years ago
1.) A blue eyed man whose father and mother were both brown eyed, married a brown eyed woman, her father had brown eyes and her mother had blue eyes. The couple had a blue eyed son. For which of the individuals mentioned can you be sure of the genotypes? What are the genotypes? what genotypes are possible for others?

2.) Albinism in humans is controlled by a recessive allele (c). From marriages between normally pigmented people known to be carriers (Cc) and albinos (cc) : What portion of the children would be expected to be albinos? What is the chance that any pregnancy would result in an albino child? What is the chance in a family of three that one would be normal and two albino?
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wrote...
Staff Member
10 years ago
1.) A blue eyed man whose father and mother were both brown eyed, married a brown eyed woman, her father had brown eyes and her mother had blue eyes. The couple had a blue eyed son. For which of the individuals mentioned can you be sure of the genotypes? What are the genotypes? what genotypes are possible for others?

man=Bb
his mother=bb
woman=bb
her father=Bb
her motehr=Bb
son=bb

Man's father could be either BB or Bb...

- Master of Science in Biology
- Bachelor of Science
P_ook Author
wrote...
10 years ago
Thank you for both of you replies.
wrote...
Staff Member
10 years ago
What did you do for number 2)?
- Master of Science in Biology
- Bachelor of Science
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