lab 1 Flashcards
OR rule
- SUM of mutually exclusive events
AND rule
- MULTIPLY
- 2 ind. events
binomial probability formula
probability = n!/s!t!(p^s*q^t)
n
total number of events
s
number of type A events
t
numbers of type B event
p
probability of type A event
q
probability of type B event
significance of SD compared to SE
deviation > 2x S.E.
SE formula
sqrt ((p*q)/n)
conditions for Hardy Weinberg
- population is large
- random mating
- no mutations
- no gene flow
- no natural selection
Hardy Weinberg equilibrium
frequency of each allele stays same from generation to generation
frequency of dominant allele
p
frequency of recessive allele
q
p + q =
1
goodness of fit test
Chi-Square Analysis
null hypothesis
prediction that something is not present or that there is no effect
X^2 value
sum ((obs-exp)^2/exp)
what does a low X^2 mean
close agreement between observed and expected count
what does a high X^2 mean
observed far from expected count
disease learned about in reading
primary ciliary dyskinesia
