Lecture 3

Question 1

What is the chi squared test used for?

Answer 1

Calculating the differences in observed results compared to expected results, if they happened by chance or some sort of bias

Question 2

What is the chi squared equation?

Answer 2

sum of ((observed - expected)^2/expected)

Question 3

What are the alleles of the INS gene?

Answer 3

There are at least 3, INSA, INSB, INSD

Question 4

What is the degree of freedom?

Answer 4

Number of categories - 1

Question 5

What is the p value?

Answer 5

Probability that the difference between expected and observed is due to chance

Question 6

What happens if the p-value is too low of high?

Answer 6

If too high, we reject the null hypothesis
If too low, we cannot reject the null hypothesis

Question 7

What is consanguineous?

Answer 7

Relating to or denoting people from the same ancestor
Parents who are consanguineous are more likely to produce offspring who are homozygous recessive