Applied Genetics Answers

Kip studies flower color in petunias, where the allele for red flowers, R, is dominant to the allele for white flowers, r. If Kip makes the cross RR x rr, the gametes that are produced

Unlike animal breeders and human geneticists, plant breeders rarely use pedigree charts in their work. Which is most likely the reason that plant breeders use other methods for analyzing results instead of constructing pedigree charts?

Which is an example of selective breeding?

A breeder wanted to develop a new variety of potatoes that produces more of the vitamins found in the roots of carrots than in typical potatoes. What method of selective breeding would the breeder most likely use?

The pedigree chart below shows the inheritance of a genetic trait in a line of sheep.If sheep 7 was to have offspring, in which generation would the offspring be?

Which was the most important contribution to society from the early selective breeder Luther Burbank?

Pedigree charts use shaded symbols to show organisms that have a particular trait, such as a defective gene, being traced in the chart. A breeder wants to make a pedigree chart of several generations of horses to avoid breeding males that have a defective gene. What symbol would the horse breeder use to show a male who is affected by a defective gene?

Which term also describes selective breeding?

Which is an example of hybridization that would increase hybrid vigor?

The pedigree chart below shows the inheritance of a genetic disorder in three generations of one species of insect. Shaded shapes represent individuals that have the disorder.Which mates are least likely to produce offspring that have the disorder?