Answer:
QTL or Quantitative Trait locus
Explanation:
QTL or Quantitative Trait locus are chromosome sequences in which multiple genes contribute to a quantitative trait.
QLT is a locus that correlates with variation of quantitative trait in the phenotype of the population of an organism. It is an statistical method that links two type of information phenotypic and genotypic data in an attempt to explain the genetic variation in complex trait.
Homologous
The fins of fishes and flipper of a whale are homologous structures since they have different structure but similar structure
B is the answer hopefully is accurate
All of the above. Good luck with the bio
C. they result in uncontrolled growth