3.3-3.4 quantitative genetics and complex disease Flashcards Preview

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Flashcards in 3.3-3.4 quantitative genetics and complex disease Deck (11)
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1

What is a quantitative trait

Deals with phenotypes that vary continuously like height or weight

2

what are continuous characteristics?

Quantitative, characteristics vary along a scale of measurement with many overlapping phenotypes.

3

What are discontinuous characteristics

Qualitative, traits possess only a few phenotypes, red or white petals.

4

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.

5

What is statistical validity?

if the results hold true.

6

Define standard deviation

the square root of the variance

7

Define Median

the number in the middle of other numbers

8

What is an appropriate sample of a population

a representative small collection of individuals from the population

9

What are confidence intervals. P value?

Statistical significance,

10

What is the origin of Sample bias?

the researcher

11

What is the correction for multiple testing

Having a smaller statistical significance number.