What do we know about the genotype
of Mike’s mother?
a)
Her genotype is definitely kk
b)
her genotype is either kk or Kk
c)
her genotype is either KK or Kk
d)
her genotype is either KK, or Kk, or kk
e)
Mr. Brown cannot be Mike’s biological father
2. Recessive allele a codes for Type I diabetes. Homozygous recessive individuals (aa) develop insulin
dependant diabetes very early in life.
Neither
Mr. Black nor Mrs. Black have diabetes. Their daughter, Marsha, has been diagnosed with type I diabetes. What are the
genotypes of Mr. and Mrs.
Black?
a) both aa
b) AA and aa
c) Aa and Aa
d) AA and Aa
e) impossible to tell
