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Unformatted text preview: GENETIC PROBLEMS
Work to solve the genetics problems on this worksheet). For most questions you will need to
draw a Punnett square and provide a written explanation. 15 points.
1. To solve these two Punnett Squares on blood types, use the following chart for
Inheritance of the ABO Blood System in Humans
. Jane and her husband are both type AB. Could they have a type O daughter?
AR = 1A, B
Draw a Punnett square to support your explanation.
13 ( ABdad)
No . They
( AB )
An or AB or BB child
1:2 : I ratio.
b. An archaeologist discovers an unopened tomb in Egypt. Inside the tomb, he finds
the mummies of two adults and two children. Inscriptions identify the two adults
as the Chief Scribe and his wife. The inscriptions tell how their and son and his
best friend drowned in the Nile River when their boat overturned. The mummies
are so well preserved that lab technicians are able to type their blood. Both
adults are type B. Child 1 is type O, Child 2 is type B. Can you definitively
determine which one is their son? Why or why not? No
pozenD B are either IB IB or Isi
if both ar Bi then
on me parents pass
an type . or if or
parent gives B child
would be B type....
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