0 of 3 questions completed
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
0 of 3 questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
|Table is loading|
|No data available|
A student conducted a survey to determine the phenotype prevalence of cats that had long hair in comparison to the number that had short hair in a population of cats. She asked her classmates to describe the coat length of their cats and tallied the results. Out of 26 cats that were counted, she found that 42% of the cats had long hair and 58% had short hair, and that the trait did not follow a Mendelian ratio.
Which of the following best explains why the results did not follow a Mendelian ratio?
DNA profiling, using short tandem repeats (STR) within a person’s DNA, helps to determine the genetic relationship between individuals.
DNA profiles based on four STRs for five individuals are shown below. The results of a gender identifier are also shown.
Which one of the following conclusions can be made using the information given?
During a fight between a number of people, one was seriously injured. Blood samples were taken from the victim, the crime scene and four suspects. DNA was extracted from white blood cells in each of the blood samples and electrophoresis of the samples was carried out.
The results are shown in the following diagram.
The person most likely to have been at the crime scene is suspect