TLS Online TPP Program

#Question id: 15382


In a group of fruit flies homozygous for an allele that causes a reduced number of thoracic bristles, you notice that the number of bristles varies from about half the normal number to only a few bristles. This is an example of which of the following?

#Unit 8. Inheritance Biology
  1. Incomplete dominance
  2. Over dominance
  3. Incomplete penetrance
  4. Variable expressivity