Biology 107

Meiosis and Inheritance Reviews

26. In humans, assume brown eyes (B) are dominant over blue eyes (b). A blue eye woman marries a brown eyed male who's father was blue eyed. Give the following genetic make up for the wife and husband and their possible children.

Wife ________________ Husband ______________ Children ____________________________

The father (husband) could be either BB or Bb, since the husband's father had blue eyes (bb), the father's genotype had to be Bb. The woman is blue-eyed and she has to bb. The children have a 50% chance of being either brown eyed (Bb) or blue eyed (bb).