Question: Blindness is an autosomal dominant disorder in puppies. B or b are used to represent the gene that causes blindness. Black Hair Follicular Dysplasia (BHFD) is an autosomal recessive disorder in puppies. D or d are used to represent the gene that causes BHFD. Use capital letters to represent dominant alleles. David adopts two puppies: Spotty and Cutie.
Spotty is male, blind and does not have BHFD. Cutie is female; she is not blind, and she has BHFD.
What is Cutie’s genotype?
A) BBDD, BBDd, BbDD or BbDd
B) BBdd or Bbdd
C) bbDD or bbDd
D) bbdd