Are You My Daddy

Are You My Daddy?

A Blood Typing Activity

1) Every person has ______alleles that determine his/her blood type.

2) Those genes have come from ______and ______.

3) The 3 different genes for blood type are:

______which is dominant

______which is also dominant

______which is recessive

4) What type of blood results from the following letter combinations?

AA ______

AO ______

BB ______

BO ______

AB ______

OO ______

5)Cross a parent with homozygous Type A blood with a parent with heterozygousType B Blood and answer the questions below:

Parent 1 alleles ______

Parent 2 alleles ______

A. What are all the different letter combinationsthat might show up in their children?

B. What are all the different blood types thatmight show up in their children?

6) Could a man with type B blood and a woman with type A blood produce a childwith type O blood? Explain your answer and show your work below.

7) You are blood type O+ and you marry a person with blood type AB-.

List the possible blood types in offspring. Show work.

8) A father has type O- blood and a mother has type AB- blood.

What blood types can their children have? Show work.

9) “I am wondering how to find out the blood type of my grandson, my daughter is

A-, and my grandsons’ blood type is O+. The father is either, Kobe Bryant, Mike

Tyson or any one of the Denver Broncos. Is it possible to tell who the father is by

blood type alone. What are the possible blood types of the father?” Show your work.

10) “I am trying to figure out what blood type the father of my son could have sincemy son and I are both type A+ Also, my brother who happens to be my uncle istype O+ and my mom is A- What are the possible blood types of my baby’sdaddy? Please help - - - - signed Ms. Stress Brown”

Honors:

11) What if the mother is type O+ and the father is A- what would the offspring’sblood type be? Show your work.

12) If the mother of a child is blood type O+ and the child is A- what blood type

would the father be? Could two Rh- parents give birth to a Rh+ child? Could two

Rh+ parents give birth to a Rh- child? Show your work

13) Suppose two newborn babies were accidentally mixed up in the hospital. In an effort to determine the parents of each baby, the blood types of the babies and the parents weredetermined.

Baby 1/type O Mrs. Brown/type B Mrs. Smith/type B

Baby 2/type A Mr. Brown/type AB Mr. Smith/type B

Baby 1 belongs to which parents?

Draw two Punnett Squares to prove your answer:

14) What genotypes must parents have in order to produce four different phenotypic bloodtypes?