Deafness is caused by recessive mutations in any one of at least five genes. Two deaf individuals have nine children, all of whom have normal hearing. Which of the following can you conclude?

A) The parents have mutations in the same gene.
B) The parents have mutations in different genes.
C) An epistatic interaction has occurred.
D) The mutations are codominant to the normal allele.
E) The mutations are incompletely dominant to the normal allele.


B

Biology & Microbiology

You might also like to view...

Assemblies of macromolecules are referred to as ________ complexes.

A. metamolecular B. ultramolecular C. supramolecular D. maximolecular

Biology & Microbiology

How did the work of Charles Lyell influence Charles Darwin, as he was forming his theory of evolution by natural selection?

What will be an ideal response?

Biology & Microbiology

Why is photosynthesis considered an endergonic reaction?

A) Photosynthesis does not comply with the physical laws of the universe. B) Low-energy reactants are converted to high-energy products. C) Activation energy is not required. D) Sugar has less energy than does the sun. E) Protein catalysts are not needed.

Biology & Microbiology

The C-value paradox is that

a. generally eukaryotes have larger genomes than prokaryotes. b. there is not a strong correlation between genome size and morphological complexity. c. organisms with larger genomes have a correspondingly higher number of genes. d. within taxonomic groups, there is little variation in genome size. e. larger organisms don't necessarily have larger genomes.

Biology & Microbiology