Services
Discover
Homeschooling
Ask a Question
Log in
Sign up
Filters
Done
Question type:
Essay
Multiple Choice
Short Answer
True False
Matching
Topic
Biology
Study Set
IGenetics
Quiz 22: Quantitative Genetics
Path 4
Access For Free
Share
All types
Filters
Study Flashcards
Practice Exam
Learn
Question 41
Essay
In a controlled cross for a quantitative trait,600 F
2
offspring are obtained,10 of which exhibit the phenotype of one of the parentals.How many genes are estimated to control this trait based on these results?
Question 42
Essay
An isolated population of wild turkeys has adult males that weigh an average of 18 pounds and females that weigh an average of 10 pounds.Another isolated population living 100 miles north has a population where adult males weigh 13 pounds and females 8 pounds on average.Both populations have a very low phenotypic variance.How could you determine genetic contributions to the weight differences between the populations?
Question 43
Essay
The average adult height in the U.S.population has increased by several centimeters over the past two generations.Is this likely to reflect a change in the genetic makeup of the population,a change in environmental factors,or both? Explain.