Epistasis+ Chi-squared

Question 1

What is epistasis

Answer 1

Arises when allele of one gene affects or masks the expression of another in the phenotype

Question 2

When is chi-sqaured test used for?

Answer 2

Test null hypothesis

Question 3

Categories of chi-squared test

Answer 3

• The sample size must be relatively large over 20
• Data fall in discrete categories
• Only raw counts and not percentages
• It used to compare experimental results with theoritical ones

Question 4

Chi-squared test formula

Answer 4

x^2 = sum of (O-E)^2 /(E)

o - observed

e- expected