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Review Game #3
 

LAMC
BIOLOGY

Bio 3: Check for Understanding – Chapter 9

1. How can two plants with different genotypes for a trait be identical in phenotype?

2. An individual’s genotype is PpTt.  What are the possible gametes that can be formed by this individual?

3. During fertilization, what determines the sex of the offspring?

4. Maria has blood type O and her sister has blood type AB.  The girls know that both their maternal grandparents are type A.  What are the genotypes of the girls’ parents?

5. There is a mix-up of babies at the hospital. Which baby belongs to which set of parents? 
Mrs. Doe: Type A                   Mrs. Jones: Type A                 Baby 1: Type O
Mr. Doe: Type B                     Mr. Jones:  Type AB                Baby 2: Type B
Baby 1 belongs to: ______________ Baby 2 belongs to: ______________

6. Color-blindness is a recessive sex-linked trait.  A woman with normal vision whose father is color-blind marries a color-blind male.  What is the probability that this couple will have a color-blind child?

Woman’s genotype: ___________
Woman father’s genotype: ___________
Woman’s husband’s genotype: __________
Probability of having color-blind child: _____

©2003-2004 Dilek Sanver-Wang, MS
Los Angeles, CA USA.  All Rights Reserved.