3.3-3.4 quantitative genetics and complex disease Flashcards
What is a quantitative trait
Deals with phenotypes that vary continuously like height or weight
what are continuous characteristics?
Quantitative, characteristics vary along a scale of measurement with many overlapping phenotypes.
What are discontinuous characteristics
Qualitative, traits possess only a few phenotypes, red or white petals.
What are threshold characteristics?
one of two categories of quantitative characteristics. Display only 2 possible phenotypes, when threshold value is hit, the characteristic is expressed.
What is statistical validity?
if the results hold true.
Define standard deviation
the square root of the variance
Define Median
the number in the middle of other numbers
What is an appropriate sample of a population
a representative small collection of individuals from the population
What are confidence intervals. P value?
Statistical significance,
What is the origin of Sample bias?
the researcher
What is the correction for multiple testing
Having a smaller statistical significance number.
