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ade_tpy99 ade_tpy99
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6 years ago
Drosophila mutations such as bcd, if homozygous in the mother, produce offspring with lethal defects, no matter what the genotype of the offspring. For some other genes, the mutant phenotype can be rescued by introducing a wild-type allele.
 
  What is the reason for these different outcomes? A) Non-rescuable mutations are of paternal origin.
  B) Rescuable mutations act as dominants.
  C) bcd is a maternal effect mutation.
  D) Rescue requires recombination between the maternal and introduced alleles.
  E) bcd is a Hox gene.
Textbook 
Genetic Analysis: An Integrated Approach

Genetic Analysis: An Integrated Approach


Edition: 3rd
Authors:
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