Create a Pedigree
(Note: Red/green color blindness is a sex-linked trait.)
On an unlined piece of paper, create the following pedigree, using the key below.
Bob and Sue are married and have 4 children. They have two daughters, Karen and Nancy, and two sons,
Ron and Tony. Tony is color blind and has no children. Nancy marries Tom, and they have two boys,
Jake and Justin. Both are color blind. Karen marries Billy. They have a son Chris who has normal color
vision. Ron marries Emily and they are expecting a baby. Ron and Emily want to know what the chances
of having a color-blind child are. There is no history of color blindness in Emily’s family.
Create a Pedigree
(Note: Red/green color blindness is a sex-linked trait.)
On an unlined piece of paper, create the following pedigree, using the key below.
Bob and Sue are married and have 4 children. They have two daughters, Karen and Nancy, and two sons,
Ron and Tony. Tony is color blind and has no children. Nancy marries Tom, and they have two boys,
Jake and Justin. Both are color blind. Karen marries Billy. They have a son Chris who has normal color
vision. Ron marries Emily and they are expecting a baby. Ron and Emily want to know what the chances
of having a color-blind child are. There is no history of color blindness in Emily’s family.
Create a Pedigree
(Note: Red/green color blindness is a sex-linked trait.)
On an unlined piece of paper, create the following pedigree, using the key below.
Bob and Sue are married and have 4 children. They have two daughters, Karen and Nancy, and two sons,
Ron and Tony. Tony is color blind and has no children. Nancy marries Tom, and they have two boys,
Jake and Justin. Both are color blind. Karen marries Billy. They have a son Chris who has normal color
vision. Ron marries Emily and they are expecting a baby. Ron and Emily want to know what the chances
of having a color-blind child are. There is no history of color blindness in Emily’s family.
Create a Pedigree
(Note: Red/green color blindness is a sex-linked trait.)
On an unlined piece of paper, create the following pedigree, using the key below.
Bob and Sue are married and have 4 children. They have two daughters, Karen and Nancy, and two sons,
Ron and Tony. Tony is color blind and has no children. Nancy marries Tom, and they have two boys,
Jake and Justin. Both are color blind. Karen marries Billy. They have a son Chris who has normal color
vision. Ron marries Emily and they are expecting a baby. Ron and Emily want to know what the chances
of having a color-blind child are. There is no history of color blindness in Emily’s family.
Create a Pedigree
(Note: Red/green color blindness is a sex-linked trait.)
On an unlined piece of paper, create the following pedigree, using the key below.
Bob and Sue are married and have 4 children. They have two daughters, Karen and Nancy, and two sons,
Ron and Tony. Tony is color blind and has no children. Nancy marries Tom, and they have two boys,
Jake and Justin. Both are color blind. Karen marries Billy. They have a son Chris who has normal color
vision. Ron marries Emily and they are expecting a baby. Ron and Emily want to know what the chances
of having a color-blind child are. There is no history of color blindness in Emily’s family.