A is a dominant gene for normal pigment, and a is its recessive allele for albinism (and pink eyes).  B is a dominant gene for brown eyes, and b is its recessive allele (blue). What is the mother's genotype if two brown-eyed parents have fraternal twins, one with blue eyes and one with pink eyes (albino)?      a. AaBb     b. AaBB      c. aaBb     d. aabb     e. AABB

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter13: Patterns In Inherited Traits
Section: Chapter Questions
Problem 3SA: In genetics, F stands for filial, which means ________. a. friendly c. final b. offspring d....
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A is a dominant gene for normal pigment, and a is its recessive allele for albinism (and pink eyes).  B is a dominant gene for brown eyes, and b is its recessive allele (blue). What is the mother's genotype if two brown-eyed parents have fraternal twins, one with blue eyes and one with pink eyes (albino)? 

    a. AaBb
    b. AaBB
     c. aaBb
    d. aabb
    e. AABB

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